56147903910 has 288 divisors, whose sum is σ = 172916819712. Its totient is φ = 12601733760.

The previous prime is 56147903879. The next prime is 56147903921. The reversal of 56147903910 is 1930974165.

56147903910 is a `hidden beast` number, since 561 + 4 + 79 + 0 + 3 + 9 + 10 = 666.

It is a super-2 number, since 2×56147903910² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 77231967 + ... + 77232693.

It is an arithmetic number, because the mean of its divisors is an integer number (600405624).

Almost surely, 2^56147903910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56147903910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86458409856).

56147903910 is an abundant number, since it is smaller than the sum of its proper divisors (116768915802).

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

56147903910 is a wasteful number, since it uses less digits than its factorization.

56147903910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 56147903910 in words is "fifty-six billion, one hundred forty-seven million, nine hundred three thousand, nine hundred ten".