54178994 has 16 divisors (see below), whose sum is σ = 86722080. Its totient is φ = 25310880.

The previous prime is 54178991. The next prime is 54179009. The reversal of 54178994 is 49987145.

It is not an unprimeable number, because it can be changed into a prime (54178991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6992 + ... + 12539.

It is an arithmetic number, because the mean of its divisors is an integer number (5420130).

Almost surely, 2^54178994 is an apocalyptic number.

54178994 is a deficient number, since it is larger than the sum of its proper divisors (32543086).

54178994 is a wasteful number, since it uses less digits than its factorization.

54178994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19625.

The product of its digits is 362880, while the sum is 47.

The square root of 54178994 is about 7360.6381516822. The cubic root of 54178994 is about 378.3934808773.

The spelling of 54178994 in words is "fifty-four million, one hundred seventy-eight thousand, nine hundred ninety-four".