55149710 has 64 divisors (see below), whose sum is σ = 125729280. Its totient is φ = 16917120.

The previous prime is 55149707. The next prime is 55149727. The reversal of 55149710 is 1794155.

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 31 ways as a sum of consecutive naturals, for example, 51056 + ... + 52124.

It is an arithmetic number, because the mean of its divisors is an integer number (1964520).

Almost surely, 2^55149710 is an apocalyptic number.

55149710 is an abundant number, since it is smaller than the sum of its proper divisors (70579570).

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

55149710 is a wasteful number, since it uses less digits than its factorization.

55149710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 55149710 is about 7426.2850739788. The cubic root of 55149710 is about 380.6399880225.

The spelling of 55149710 in words is "fifty-five million, one hundred forty-nine thousand, seven hundred ten".