51862608 has 120 divisors (see below), whose sum is σ = 173167488. Its totient is φ = 14167296.

The previous prime is 51862607. The next prime is 51862619. The reversal of 51862608 is 80626815.

It is a happy number.

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 (51862607) 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, 22066 + ... + 24302.

Almost surely, 2^51862608 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 51862608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86583744).

51862608 is an abundant number, since it is smaller than the sum of its proper divisors (121304880).

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

51862608 is a wasteful number, since it uses less digits than its factorization.

51862608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281 (or 2272 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 51862608 is about 7201.5698288637. The cubic root of 51862608 is about 372.9220967816.

The spelling of 51862608 in words is "fifty-one million, eight hundred sixty-two thousand, six hundred eight".