55078576 has 20 divisors (see below), whose sum is σ = 121959952. Its totient is φ = 23605056.

The previous prime is 55078567. The next prime is 55078577. The reversal of 55078576 is 67587055.

It is not an unprimeable number, because it can be changed into a prime (55078577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245775 + ... + 245998.

Almost surely, 2^55078576 is an apocalyptic number.

55078576 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55078576 is an abundant number, since it is smaller than the sum of its proper divisors (66881376).

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

55078576 is a wasteful number, since it uses less digits than its factorization.

55078576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491788 (or 491782 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 43.

The square root of 55078576 is about 7421.4941891778. The cubic root of 55078576 is about 380.4762634104.

The spelling of 55078576 in words is "fifty-five million, seventy-eight thousand, five hundred seventy-six".