51471150 has 24 divisors (see below), whose sum is σ = 127648824. Its totient is φ = 13725600.

The previous prime is 51471139. The next prime is 51471169. The reversal of 51471150 is 5117415.

It is a self number, because there is not a number n which added to its sum of digits gives 51471150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171421 + ... + 171720.

It is an arithmetic number, because the mean of its divisors is an integer number (5318701).

Almost surely, 2^51471150 is an apocalyptic number.

51471150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51471150 is an abundant number, since it is smaller than the sum of its proper divisors (76177674).

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

51471150 is a wasteful number, since it uses less digits than its factorization.

51471150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343156 (or 343151 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 51471150 is about 7174.3396908705. The cubic root of 51471150 is about 371.9814564696.

Adding to 51471150 its reverse (5117415), we get a palindrome (56588565).

The spelling of 51471150 in words is "fifty-one million, four hundred seventy-one thousand, one hundred fifty".