51132654 has 16 divisors (see below), whose sum is σ = 113628240. Its totient is φ = 17044200.

The previous prime is 51132643. The next prime is 51132661. The reversal of 51132654 is 45623115.

51132654 is a `hidden beast` number, since 5 + 1 + 1 + 3 + 2 + 654 = 666.

51132654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51132654² = 5229096610167432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473397 + ... + 473504.

It is an arithmetic number, because the mean of its divisors is an integer number (7101765).

Almost surely, 2^51132654 is an apocalyptic number.

51132654 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

51132654 is an abundant number, since it is smaller than the sum of its proper divisors (62495586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51132654 is a wasteful number, since it uses less digits than its factorization.

51132654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946912 (or 946906 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 51132654 is about 7150.7100346749. The cubic root of 51132654 is about 371.1642266900.

Adding to 51132654 its reverse (45623115), we get a palindrome (96755769).

The spelling of 51132654 in words is "fifty-one million, one hundred thirty-two thousand, six hundred fifty-four".