54136551 has 16 divisors (see below), whose sum is σ = 87346944. Its totient is φ = 29115264.

The previous prime is 54136541. The next prime is 54136559. The reversal of 54136551 is 15563145.

It is not a de Polignac number, because 54136551 - 2¹⁰ = 54135527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54136559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75465 + ... + 76178.

It is an arithmetic number, because the mean of its divisors is an integer number (5459184).

Almost surely, 2^54136551 is an apocalyptic number.

54136551 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

54136551 is a deficient number, since it is larger than the sum of its proper divisors (33210393).

54136551 is a wasteful number, since it uses less digits than its factorization.

54136551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151670.

The product of its digits is 9000, while the sum is 30.

The square root of 54136551 is about 7357.7544808182. The cubic root of 54136551 is about 378.2946458313.

Adding to 54136551 its reverse (15563145), we get a palindrome (69699696).

The spelling of 54136551 in words is "fifty-four million, one hundred thirty-six thousand, five hundred fifty-one".