54690178 has 4 divisors (see below), whose sum is σ = 82035270. Its totient is φ = 27345088.

The previous prime is 54690089. The next prime is 54690179. The reversal of 54690178 is 87109645.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42419169 + 12271009 = 6513^2 + 3503^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 54690178.

It is not an unprimeable number, because it can be changed into a prime (54690179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13672543 + ... + 13672546.

Almost surely, 2^54690178 is an apocalyptic number.

54690178 is a deficient number, since it is larger than the sum of its proper divisors (27345092).

54690178 is a wasteful number, since it uses less digits than its factorization.

54690178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27345091.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 54690178 is about 7395.2807925054. The cubic root of 54690178 is about 379.5798171816.

The spelling of 54690178 in words is "fifty-four million, six hundred ninety thousand, one hundred seventy-eight".