55378364 has 12 divisors (see below), whose sum is σ = 96994464. Its totient is φ = 27665664.

The previous prime is 55378363. The next prime is 55378387. The reversal of 55378364 is 46387355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55378363) 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, 92 + ... + 10524.

It is an arithmetic number, because the mean of its divisors is an integer number (8082872).

Almost surely, 2^55378364 is an apocalyptic number.

It is an amenable number.

55378364 is a deficient number, since it is larger than the sum of its proper divisors (41616100).

55378364 is a wasteful number, since it uses less digits than its factorization.

55378364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11764 (or 11762 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 55378364 is about 7441.6640612164. The cubic root of 55378364 is about 381.1653147390.

The spelling of 55378364 in words is "fifty-five million, three hundred seventy-eight thousand, three hundred sixty-four".