55790670 has 32 divisors (see below), whose sum is σ = 144198432. Its totient is φ = 13732992.

The previous prime is 55790641. The next prime is 55790677. The reversal of 55790670 is 7609755.

55790670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55790670² = 6225197718097800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55790677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71137 + ... + 71916.

It is an arithmetic number, because the mean of its divisors is an integer number (4506201).

Almost surely, 2^55790670 is an apocalyptic number.

55790670 is an abundant number, since it is smaller than the sum of its proper divisors (88407762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55790670 is a wasteful number, since it uses less digits than its factorization.

55790670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143076.

The product of its (nonzero) digits is 66150, while the sum is 39.

The square root of 55790670 is about 7469.3152296579. The cubic root of 55790670 is about 382.1089343299.

The spelling of 55790670 in words is "fifty-five million, seven hundred ninety thousand, six hundred seventy".