55726004 has 12 divisors (see below), whose sum is σ = 97659744. Its totient is φ = 27823224.

The previous prime is 55725997. The next prime is 55726019. The reversal of 55726004 is 40062755.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6674 + ... + 12489.

It is an arithmetic number, because the mean of its divisors is an integer number (8138312).

Almost surely, 2^55726004 is an apocalyptic number.

It is an amenable number.

55726004 is a deficient number, since it is larger than the sum of its proper divisors (41933740).

55726004 is a wasteful number, since it uses less digits than its factorization.

55726004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19894 (or 19892 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 55726004 is about 7464.9851975741. The cubic root of 55726004 is about 381.9612453031.

Adding to 55726004 its reverse (40062755), we get a palindrome (95788759).

The spelling of 55726004 in words is "fifty-five million, seven hundred twenty-six thousand, four".