51072632 has 16 divisors (see below), whose sum is σ = 103127640. Its totient is φ = 23571936.

The previous prime is 51072613. The next prime is 51072649. The reversal of 51072632 is 23627015.

51072632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

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 3 ways as a sum of consecutive naturals, for example, 245438 + ... + 245645.

Almost surely, 2^51072632 is an apocalyptic number.

51072632 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51072632 is an abundant number, since it is smaller than the sum of its proper divisors (52055008).

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

51072632 is a wasteful number, since it uses less digits than its factorization.

51072632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491102 (or 491098 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 51072632 is about 7146.5118764331. The cubic root of 51072632 is about 371.0189396104.

Adding to 51072632 its reverse (23627015), we get a palindrome (74699647).

The spelling of 51072632 in words is "fifty-one million, seventy-two thousand, six hundred thirty-two".