51625392 has 160 divisors (see below), whose sum is σ = 167989248. Its totient is φ = 13298688.

The previous prime is 51625391. The next prime is 51625393. The reversal of 51625392 is 29352615.

It is an interprime number because it is at equal distance from previous prime (51625391) and next prime (51625393).

It is not an unprimeable number, because it can be changed into a prime (51625391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231393 + ... + 231615.

Almost surely, 2^51625392 is an apocalyptic number.

51625392 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51625392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83994624).

51625392 is an abundant number, since it is smaller than the sum of its proper divisors (116363856).

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

51625392 is a wasteful number, since it uses less digits than its factorization.

51625392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 301 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 51625392 is about 7185.0812103970. The cubic root of 51625392 is about 372.3526543644.

The spelling of 51625392 in words is "fifty-one million, six hundred twenty-five thousand, three hundred ninety-two".