51902626 has 8 divisors (see below), whose sum is σ = 78369984. Its totient is φ = 25779300.

The previous prime is 51902611. The next prime is 51902629. The reversal of 51902626 is 62620915.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (51902629) 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, 85630 + ... + 86233.

It is an arithmetic number, because the mean of its divisors is an integer number (9796248).

Almost surely, 2^51902626 is an apocalyptic number.

51902626 is a deficient number, since it is larger than the sum of its proper divisors (26467358).

51902626 is a wasteful number, since it uses less digits than its factorization.

51902626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172016.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 51902626 is about 7204.3477150954. The cubic root of 51902626 is about 373.0179896304.

The spelling of 51902626 in words is "fifty-one million, nine hundred two thousand, six hundred twenty-six".