54751940 has 12 divisors (see below), whose sum is σ = 114979116. Its totient is φ = 21900768.

The previous prime is 54751909. The next prime is 54751967. The reversal of 54751940 is 4915745.

It can be written as a sum of positive squares in 2 ways, for example, as 16386304 + 38365636 = 4048^2 + 6194^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54751940.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368779 + ... + 1368818.

It is an arithmetic number, because the mean of its divisors is an integer number (9581593).

Almost surely, 2^54751940 is an apocalyptic number.

It is an amenable number.

54751940 is an abundant number, since it is smaller than the sum of its proper divisors (60227176).

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

54751940 is a wasteful number, since it uses less digits than its factorization.

54751940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737606 (or 2737604 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 54751940 is about 7399.4553853645. The cubic root of 54751940 is about 379.7226508070.

The spelling of 54751940 in words is "fifty-four million, seven hundred fifty-one thousand, nine hundred forty".