51962625 has 192 divisors, whose sum is σ = 122653440. Its totient is φ = 20736000.

The previous prime is 51962611. The next prime is 51962633. The reversal of 51962625 is 52626915.

51962625 is a `hidden beast` number, since 5 + 1 + 9 + 626 + 25 = 666.

It is not a de Polignac number, because 51962625 - 2¹³ = 51954433 is a prime.

It is a super-2 number, since 2×51962625² = 5400228793781250, which contains 22 as substring.

Its product of digits (32400) is a multiple of the sum of its prime factors (81).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51962625.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2734866 + ... + 2734884.

It is an arithmetic number, because the mean of its divisors is an integer number (638820).

Almost surely, 2^51962625 is an apocalyptic number.

51962625 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51962625 is an abundant number, since it is smaller than the sum of its proper divisors (70690815).

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

51962625 is a wasteful number, since it uses less digits than its factorization.

51962625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 68 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 51962625 is about 7208.5105951230. The cubic root of 51962625 is about 373.1616695020.

The spelling of 51962625 in words is "fifty-one million, nine hundred sixty-two thousand, six hundred twenty-five".