56687250450 has 192 divisors, whose sum is σ = 148679055360. Its totient is φ = 14274973440.

The previous prime is 56687250427. The next prime is 56687250467. The reversal of 56687250450 is 5405278665.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 56687250450.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 42717687 + ... + 42719013.

It is an arithmetic number, because the mean of its divisors is an integer number (774370080).

Almost surely, 2^56687250450 is an apocalyptic number.

56687250450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 56687250450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74339527680).

56687250450 is an abundant number, since it is smaller than the sum of its proper divisors (91991804910).

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

56687250450 is a wasteful number, since it uses less digits than its factorization.

56687250450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601 (or 1596 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 48.

The spelling of 56687250450 in words is "fifty-six billion, six hundred eighty-seven million, two hundred fifty thousand, four hundred fifty".