54777560 has 32 divisors (see below), whose sum is σ = 125876160. Its totient is φ = 21444096.

The previous prime is 54777539. The next prime is 54777577. The reversal of 54777560 is 6577745.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12689 + ... + 16448.

It is an arithmetic number, because the mean of its divisors is an integer number (3933630).

Almost surely, 2^54777560 is an apocalyptic number.

It is an amenable number.

54777560 is an abundant number, since it is smaller than the sum of its proper divisors (71098600).

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

54777560 is a wasteful number, since it uses less digits than its factorization.

54777560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29195 (or 29191 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 41.

The square root of 54777560 is about 7401.1863913835. The cubic root of 54777560 is about 379.7818692706.

The spelling of 54777560 in words is "fifty-four million, seven hundred seventy-seven thousand, five hundred sixty".