56069978 has 16 divisors (see below), whose sum is σ = 90310464. Its totient is φ = 26013120.

The previous prime is 56069971. The next prime is 56069983. The reversal of 56069978 is 87996065.

It is not an unprimeable number, because it can be changed into a prime (56069971) 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, 9200 + ... + 14027.

It is an arithmetic number, because the mean of its divisors is an integer number (5644404).

Almost surely, 2^56069978 is an apocalyptic number.

56069978 is a deficient number, since it is larger than the sum of its proper divisors (34240486).

56069978 is a wasteful number, since it uses less digits than its factorization.

56069978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23317.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 56069978 is about 7487.9889155901. The cubic root of 56069978 is about 382.7455310524.

The spelling of 56069978 in words is "fifty-six million, sixty-nine thousand, nine hundred seventy-eight".