55726994 has 16 divisors (see below), whose sum is σ = 84871800. Its totient is φ = 27439104.

The previous prime is 55726963. The next prime is 55726997. The reversal of 55726994 is 49962755.

It can be written as a sum of positive squares in 4 ways, for example, as 16200625 + 39526369 = 4025^2 + 6287^2 .

It is not an unprimeable number, because it can be changed into a prime (55726997) 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, 59522 + ... + 60450.

Almost surely, 2^55726994 is an apocalyptic number.

55726994 is a deficient number, since it is larger than the sum of its proper divisors (29144806).

55726994 is a wasteful number, since it uses less digits than its factorization.

55726994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357.

The product of its digits is 680400, while the sum is 47.

The square root of 55726994 is about 7465.0515068551. The cubic root of 55726994 is about 381.9635071998.

The spelling of 55726994 in words is "fifty-five million, seven hundred twenty-six thousand, nine hundred ninety-four".