55077150 has 24 divisors (see below), whose sum is σ = 136591704. Its totient is φ = 14687200.

The previous prime is 55077107. The next prime is 55077193. The reversal of 55077150 is 5177055.

It is an interprime number because it is at equal distance from previous prime (55077107) and next prime (55077193).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183441 + ... + 183740.

It is an arithmetic number, because the mean of its divisors is an integer number (5691321).

Almost surely, 2^55077150 is an apocalyptic number.

55077150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55077150 is an abundant number, since it is smaller than the sum of its proper divisors (81514554).

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

55077150 is a wasteful number, since it uses less digits than its factorization.

55077150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367196 (or 367191 counting only the distinct ones).

The product of its (nonzero) digits is 6125, while the sum is 30.

The square root of 55077150 is about 7421.3981162581. The cubic root of 55077150 is about 380.4729798358.

The spelling of 55077150 in words is "fifty-five million, seventy-seven thousand, one hundred fifty".