54400136 has 32 divisors (see below), whose sum is σ = 123431040. Its totient is φ = 21942528.

The previous prime is 54400127. The next prime is 54400163. The reversal of 54400136 is 63100445.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27620 + ... + 29523.

It is an arithmetic number, because the mean of its divisors is an integer number (3857220).

Almost surely, 2^54400136 is an apocalyptic number.

54400136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

54400136 is an abundant number, since it is smaller than the sum of its proper divisors (69030904).

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

54400136 is a wasteful number, since it uses less digits than its factorization.

54400136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57173 (or 57169 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 54400136 is about 7375.6447853730. The cubic root of 54400136 is about 378.9076106302.

It can be divided in two parts, 54400 and 136, that multiplied together give a square (7398400 = 2720²).

The spelling of 54400136 in words is "fifty-four million, four hundred thousand, one hundred thirty-six".