54791940 has 48 divisors (see below), whose sum is σ = 175335552. Its totient is φ = 12523776.

The previous prime is 54791927. The next prime is 54791963. The reversal of 54791940 is 4919745.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64809 + ... + 65648.

It is an arithmetic number, because the mean of its divisors is an integer number (3652824).

Almost surely, 2^54791940 is an apocalyptic number.

It is an amenable number.

54791940 is an abundant number, since it is smaller than the sum of its proper divisors (120543612).

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

54791940 is a wasteful number, since it uses less digits than its factorization.

54791940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130476 (or 130474 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 54791940 is about 7402.1577935086. The cubic root of 54791940 is about 379.8150993345.

The spelling of 54791940 in words is "fifty-four million, seven hundred ninety-one thousand, nine hundred forty".