54978102 has 40 divisors (see below), whose sum is σ = 130444776. Its totient is φ = 17247168.

The previous prime is 54978101. The next prime is 54978139. The reversal of 54978102 is 20187945.

54978102 is a `hidden beast` number, since 549 + 7 + 8 + 102 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54978101) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7228 + ... + 12735.

Almost surely, 2^54978102 is an apocalyptic number.

54978102 is an abundant number, since it is smaller than the sum of its proper divisors (75466674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54978102 is a wasteful number, since it uses less digits than its factorization.

54978102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19994 (or 19985 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 54978102 is about 7414.7219772558. The cubic root of 54978102 is about 380.2447684352.

The spelling of 54978102 in words is "fifty-four million, nine hundred seventy-eight thousand, one hundred two".