54978501 has 16 divisors (see below), whose sum is σ = 74833920. Its totient is φ = 35892720.

The previous prime is 54978491. The next prime is 54978503. The reversal of 54978501 is 10587945.

It is not a de Polignac number, because 54978501 - 2⁷ = 54978373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54978501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54978503) 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, 67386 + ... + 68196.

It is an arithmetic number, because the mean of its divisors is an integer number (4677120).

Almost surely, 2^54978501 is an apocalyptic number.

It is an amenable number.

54978501 is a deficient number, since it is larger than the sum of its proper divisors (19855419).

54978501 is a wasteful number, since it uses less digits than its factorization.

54978501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 54978501 is about 7414.7488831383. The cubic root of 54978501 is about 380.2456883002.

The spelling of 54978501 in words is "fifty-four million, nine hundred seventy-eight thousand, five hundred one".