56154647 has 4 divisors (see below), whose sum is σ = 56321616. Its totient is φ = 55987680.

The previous prime is 56154629. The next prime is 56154667. The reversal of 56154647 is 74645165.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56154647 - 2¹⁰ = 56153623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56154647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56154617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82979 + ... + 83652.

It is an arithmetic number, because the mean of its divisors is an integer number (14080404).

Almost surely, 2^56154647 is an apocalyptic number.

56154647 is a deficient number, since it is larger than the sum of its proper divisors (166969).

56154647 is a wasteful number, since it uses less digits than its factorization.

56154647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166968.

The product of its digits is 100800, while the sum is 38.

The square root of 56154647 is about 7493.6404370640. The cubic root of 56154647 is about 382.9380903279.

The spelling of 56154647 in words is "fifty-six million, one hundred fifty-four thousand, six hundred forty-seven".