55078662 has 32 divisors (see below), whose sum is σ = 113559264. Its totient is φ = 17798400.

The previous prime is 55078651. The next prime is 55078679. The reversal of 55078662 is 26687055.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55078662.

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, 43908 + ... + 45144.

It is an arithmetic number, because the mean of its divisors is an integer number (3548727).

Almost surely, 2^55078662 is an apocalyptic number.

It is a pronic number, being equal to 7421×7422.

55078662 is an abundant number, since it is smaller than the sum of its proper divisors (58480602).

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

55078662 is a wasteful number, since it uses less digits than its factorization.

55078662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 55078662 is about 7421.4999831570. The cubic root of 55078662 is about 380.4764614362.

The spelling of 55078662 in words is "fifty-five million, seventy-eight thousand, six hundred sixty-two".