56151405 has 24 divisors (see below), whose sum is σ = 97886880. Its totient is φ = 29775840.

The previous prime is 56151397. The next prime is 56151419. The reversal of 56151405 is 50415165.

It is a happy number.

56151405 is a `hidden beast` number, since 5 + 615 + 1 + 40 + 5 = 666.

It is not a de Polignac number, because 56151405 - 2³ = 56151397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4570 + ... + 11540.

It is an arithmetic number, because the mean of its divisors is an integer number (4078620).

Almost surely, 2^56151405 is an apocalyptic number.

It is an amenable number.

56151405 is a deficient number, since it is larger than the sum of its proper divisors (41735475).

56151405 is a wasteful number, since it uses less digits than its factorization.

56151405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7161 (or 7158 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 56151405 is about 7493.4241171843. The cubic root of 56151405 is about 382.9307207438.

The spelling of 56151405 in words is "fifty-six million, one hundred fifty-one thousand, four hundred five".