56734290 has 32 divisors (see below), whose sum is σ = 151292160. Its totient is φ = 15129072.

The previous prime is 56734277. The next prime is 56734297. The reversal of 56734290 is 9243765.

56734290 is a `hidden beast` number, since 567 + 3 + 4 + 2 + 90 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56734297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104794 + ... + 105333.

It is an arithmetic number, because the mean of its divisors is an integer number (4727880).

Almost surely, 2^56734290 is an apocalyptic number.

56734290 is an abundant number, since it is smaller than the sum of its proper divisors (94557870).

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

56734290 is a wasteful number, since it uses less digits than its factorization.

56734290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210143 (or 210137 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 56734290 is about 7532.2168051643. The cubic root of 56734290 is about 384.2511784392.

The spelling of 56734290 in words is "fifty-six million, seven hundred thirty-four thousand, two hundred ninety".