54978051 has 8 divisors (see below), whose sum is σ = 77616144. Its totient is φ = 34496000.

The previous prime is 54978047. The next prime is 54978061. The reversal of 54978051 is 15087945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54978051 - 2² = 54978047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54978031) 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, 538950 + ... + 539051.

It is an arithmetic number, because the mean of its divisors is an integer number (9702018).

Almost surely, 2^54978051 is an apocalyptic number.

54978051 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

54978051 is a deficient number, since it is larger than the sum of its proper divisors (22638093).

54978051 is a wasteful number, since it uses less digits than its factorization.

54978051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078021.

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

The square root of 54978051 is about 7414.7185381510. The cubic root of 54978051 is about 380.2446508581.

The spelling of 54978051 in words is "fifty-four million, nine hundred seventy-eight thousand, fifty-one".