56292381 has 8 divisors (see below), whose sum is σ = 83396160. Its totient is φ = 37528236.

The previous prime is 56292371. The next prime is 56292407. The reversal of 56292381 is 18329265.

56292381 is a `hidden beast` number, since 5 + 629 + 23 + 8 + 1 = 666.

It is not a de Polignac number, because 56292381 - 2¹⁹ = 55768093 is a prime.

It is a super-2 number, since 2×56292381² = 6337664317298322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56292361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1042425 + ... + 1042478.

It is an arithmetic number, because the mean of its divisors is an integer number (10424520).

Almost surely, 2^56292381 is an apocalyptic number.

It is an amenable number.

56292381 is a deficient number, since it is larger than the sum of its proper divisors (27103779).

56292381 is a wasteful number, since it uses less digits than its factorization.

56292381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084912 (or 2084906 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 56292381 is about 7502.8248680080. The cubic root of 56292381 is about 383.2509200693.

The spelling of 56292381 in words is "fifty-six million, two hundred ninety-two thousand, three hundred eighty-one".