51475136 has 28 divisors (see below), whose sum is σ = 103449120. Its totient is φ = 25409280.

The previous prime is 51475129. The next prime is 51475139. The reversal of 51475136 is 63157415.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (51475139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35 + ... + 10146.

Almost surely, 2^51475136 is an apocalyptic number.

It is an amenable number.

51475136 is an abundant number, since it is smaller than the sum of its proper divisors (51973984).

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

51475136 is a wasteful number, since it uses less digits than its factorization.

51475136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10272 (or 10262 counting only the distinct ones).

The product of its digits is 12600, while the sum is 32.

The square root of 51475136 is about 7174.6174810926. The cubic root of 51475136 is about 371.9910584817.

The spelling of 51475136 in words is "fifty-one million, four hundred seventy-five thousand, one hundred thirty-six".