54188090 has 16 divisors (see below), whose sum is σ = 106405920. Its totient is φ = 19704720.

The previous prime is 54188087. The next prime is 54188107. The reversal of 54188090 is 9088145.

It is a self number, because there is not a number n which added to its sum of digits gives 54188090.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246200 + ... + 246419.

It is an arithmetic number, because the mean of its divisors is an integer number (6650370).

Almost surely, 2^54188090 is an apocalyptic number.

54188090 is a deficient number, since it is larger than the sum of its proper divisors (52217830).

54188090 is a wasteful number, since it uses less digits than its factorization.

54188090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492637.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 54188090 is about 7361.2560069597. The cubic root of 54188090 is about 378.4146555938.

The spelling of 54188090 in words is "fifty-four million, one hundred eighty-eight thousand, ninety".