56496690 has 80 divisors (see below), whose sum is σ = 159952320. Its totient is φ = 14268960.

The previous prime is 56496683. The next prime is 56496701. The reversal of 56496690 is 9669465.

It is a super-2 number, since 2×56496690² = 6383751961912200, which contains 22 as substring.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13555 + ... + 17225.

It is an arithmetic number, because the mean of its divisors is an integer number (1999404).

Almost surely, 2^56496690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56496690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79976160).

56496690 is an abundant number, since it is smaller than the sum of its proper divisors (103455630).

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

56496690 is a wasteful number, since it uses less digits than its factorization.

56496690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709 (or 3700 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 56496690 is about 7516.4280080368. The cubic root of 56496690 is about 383.7140204714.

The spelling of 56496690 in words is "fifty-six million, four hundred ninety-six thousand, six hundred ninety".