55112646 has 32 divisors (see below), whose sum is σ = 116921088. Its totient is φ = 17281440.

The previous prime is 55112639. The next prime is 55112653. The reversal of 55112646 is 64621155.

It is an interprime number because it is at equal distance from previous prime (55112639) and next prime (55112653).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5145 + ... + 11691.

It is an arithmetic number, because the mean of its divisors is an integer number (3653784).

Almost surely, 2^55112646 is an apocalyptic number.

55112646 is an abundant number, since it is smaller than the sum of its proper divisors (61808442).

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

55112646 is a wasteful number, since it uses less digits than its factorization.

55112646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6636.

The product of its digits is 7200, while the sum is 30.

The square root of 55112646 is about 7423.7891942053. The cubic root of 55112646 is about 380.5546977451.

The spelling of 55112646 in words is "fifty-five million, one hundred twelve thousand, six hundred forty-six".