55739670 has 32 divisors (see below), whose sum is σ = 152886528. Its totient is φ = 12740448.

The previous prime is 55739641. The next prime is 55739689. The reversal of 55739670 is 7693755.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132504 + ... + 132923.

It is an arithmetic number, because the mean of its divisors is an integer number (4777704).

Almost surely, 2^55739670 is an apocalyptic number.

55739670 is an abundant number, since it is smaller than the sum of its proper divisors (97146858).

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

55739670 is a wasteful number, since it uses less digits than its factorization.

55739670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265444.

The product of its (nonzero) digits is 198450, while the sum is 42.

The square root of 55739670 is about 7465.9004815226. The cubic root of 55739670 is about 381.9924662495.

The spelling of 55739670 in words is "fifty-five million, seven hundred thirty-nine thousand, six hundred seventy".