55836378 has 40 divisors (see below), whose sum is σ = 134744148. Its totient is φ = 17179776.

The previous prime is 55836373. The next prime is 55836379. The reversal of 55836378 is 87363855.

55836378 is a `hidden beast` number, since 5 + 5 + 8 + 3 + 637 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48399849 + 7436529 = 6957^2 + 2727^2 .

It is a super-2 number, since 2×55836378² = 6235402216317768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55836373) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11151 + ... + 15362.

Almost surely, 2^55836378 is an apocalyptic number.

55836378 is an abundant number, since it is smaller than the sum of its proper divisors (78907770).

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

55836378 is a wasteful number, since it uses less digits than its factorization.

55836378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26540 (or 26531 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 55836378 is about 7472.3743214590. The cubic root of 55836378 is about 382.2132568368.

The spelling of 55836378 in words is "fifty-five million, eight hundred thirty-six thousand, three hundred seventy-eight".