54957768 has 32 divisors (see below), whose sum is σ = 138684960. Its totient is φ = 18147200.

The previous prime is 54957757. The next prime is 54957769. The reversal of 54957768 is 86775945.

It is a self number, because there is not a number n which added to its sum of digits gives 54957768.

It is not an unprimeable number, because it can be changed into a prime (54957769) 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, 8133 + ... + 13268.

It is an arithmetic number, because the mean of its divisors is an integer number (4333905).

Almost surely, 2^54957768 is an apocalyptic number.

It is an amenable number.

54957768 is an abundant number, since it is smaller than the sum of its proper divisors (83727192).

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

54957768 is a wasteful number, since it uses less digits than its factorization.

54957768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21517 (or 21513 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 51.

The square root of 54957768 is about 7413.3506594522. The cubic root of 54957768 is about 380.1978840075.

The spelling of 54957768 in words is "fifty-four million, nine hundred fifty-seven thousand, seven hundred sixty-eight".