56071994 has 16 divisors (see below), whose sum is σ = 94715136. Its totient is φ = 24664800.

The previous prime is 56071991. The next prime is 56071997. The reversal of 56071994 is 49917065.

It is an interprime number because it is at equal distance from previous prime (56071991) and next prime (56071997).

It is a super-2 number, since 2×56071994² = 6288137022272072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56071991) 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, 40427 + ... + 41790.

It is an arithmetic number, because the mean of its divisors is an integer number (5919696).

Almost surely, 2^56071994 is an apocalyptic number.

56071994 is a deficient number, since it is larger than the sum of its proper divisors (38643142).

56071994 is a wasteful number, since it uses less digits than its factorization.

56071994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82261.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 56071994 is about 7488.1235299640. The cubic root of 56071994 is about 382.7501182115.

The spelling of 56071994 in words is "fifty-six million, seventy-one thousand, nine hundred ninety-four".