51562368 has 192 divisors, whose sum is σ = 174872880. Its totient is φ = 14376960.

The previous prime is 51562367. The next prime is 51562373. The reversal of 51562368 is 86326515.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51562367) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164580 + ... + 164892.

Almost surely, 2^51562368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51562368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87436440).

51562368 is an abundant number, since it is smaller than the sum of its proper divisors (123310512).

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

51562368 is a wasteful number, since it uses less digits than its factorization.

51562368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 342 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 51562368 is about 7180.6941168664. The cubic root of 51562368 is about 372.2010706263.

The spelling of 51562368 in words is "fifty-one million, five hundred sixty-two thousand, three hundred sixty-eight".