54978153 has 16 divisors (see below), whose sum is σ = 81702720. Its totient is φ = 32679936.

The previous prime is 54978151. The next prime is 54978167. The reversal of 54978153 is 35187945.

It is not a de Polignac number, because 54978153 - 2¹ = 54978151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54978151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27400 + ... + 29337.

It is an arithmetic number, because the mean of its divisors is an integer number (5106420).

Almost surely, 2^54978153 is an apocalyptic number.

It is an amenable number.

54978153 is a deficient number, since it is larger than the sum of its proper divisors (26724567).

54978153 is a wasteful number, since it uses less digits than its factorization.

54978153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56776.

The product of its digits is 151200, while the sum is 42.

The square root of 54978153 is about 7414.7254163590. The cubic root of 54978153 is about 380.2448860122.

The spelling of 54978153 in words is "fifty-four million, nine hundred seventy-eight thousand, one hundred fifty-three".