55236790 has 16 divisors (see below), whose sum is σ = 113630112. Its totient is φ = 18938304.

The previous prime is 55236763. The next prime is 55236809. The reversal of 55236790 is 9763255.

It is a super-2 number, since 2×55236790² = 6102205939008200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394479 + ... + 394618.

It is an arithmetic number, because the mean of its divisors is an integer number (7101882).

Almost surely, 2^55236790 is an apocalyptic number.

55236790 is an abundant number, since it is smaller than the sum of its proper divisors (58393322).

55236790 is a wasteful number, since it uses less digits than its factorization.

55236790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789111.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 55236790 is about 7432.1457197770. The cubic root of 55236790 is about 380.8402229818.

The spelling of 55236790 in words is "fifty-five million, two hundred thirty-six thousand, seven hundred ninety".