56375838 has 40 divisors (see below), whose sum is σ = 129277368. Its totient is φ = 18352656.

The previous prime is 56375833. The next prime is 56375849. The reversal of 56375838 is 83857365.

56375838 is a `hidden beast` number, since 5 + 63 + 7 + 583 + 8 = 666.

It is a super-2 number, since 2×56375838² = 6356470220404488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56375793 and 56375802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56375833) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2920 + ... + 11012.

Almost surely, 2^56375838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56375838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64638684).

56375838 is an abundant number, since it is smaller than the sum of its proper divisors (72901530).

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

56375838 is a wasteful number, since it uses less digits than its factorization.

56375838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8150 (or 8141 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 56375838 is about 7508.3845133291. The cubic root of 56375838 is about 383.4402244233.

The spelling of 56375838 in words is "fifty-six million, three hundred seventy-five thousand, eight hundred thirty-eight".