55536378 has 8 divisors (see below), whose sum is σ = 111072768. Its totient is φ = 18512124.

The previous prime is 55536359. The next prime is 55536391. The reversal of 55536378 is 87363555.

It is a sphenic number, since it is the product of 3 distinct primes.

55536378 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4628026 + ... + 4628037.

It is an arithmetic number, because the mean of its divisors is an integer number (13884096).

Almost surely, 2^55536378 is an apocalyptic number.

55536378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55536378 is a wasteful number, since it uses less digits than its factorization.

55536378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9256068.

The product of its digits is 378000, while the sum is 42.

The square root of 55536378 is about 7452.2733444232. The cubic root of 55536378 is about 381.5275034895.

The spelling of 55536378 in words is "fifty-five million, five hundred thirty-six thousand, three hundred seventy-eight".