55900766 has 16 divisors (see below), whose sum is σ = 87048000. Its totient is φ = 26904480.

The previous prime is 55900763. The next prime is 55900769. The reversal of 55900766 is 66700955.

It is an interprime number because it is at equal distance from previous prime (55900763) and next prime (55900769).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55900763) 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, 860 + ... + 10608.

It is an arithmetic number, because the mean of its divisors is an integer number (5440500).

Almost surely, 2^55900766 is an apocalyptic number.

55900766 is a deficient number, since it is larger than the sum of its proper divisors (31147234).

55900766 is a wasteful number, since it uses less digits than its factorization.

55900766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9859.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 55900766 is about 7476.6814831180. The cubic root of 55900766 is about 382.3601174465.

The spelling of 55900766 in words is "fifty-five million, nine hundred thousand, seven hundred sixty-six".