54929940 has 48 divisors (see below), whose sum is σ = 165637248. Its totient is φ = 13521024.

The previous prime is 54929899. The next prime is 54929971. The reversal of 54929940 is 4992945.

It is a junction number, because it is equal to n+sod(n) for n = 54929892 and 54929901.

It is a congruent number.

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, 34432 + ... + 35991.

It is an arithmetic number, because the mean of its divisors is an integer number (3450776).

Almost surely, 2^54929940 is an apocalyptic number.

It is an amenable number.

54929940 is an abundant number, since it is smaller than the sum of its proper divisors (110707308).

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

54929940 is a wasteful number, since it uses less digits than its factorization.

54929940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70448 (or 70446 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 54929940 is about 7411.4735376982. The cubic root of 54929940 is about 380.1337017977.

The spelling of 54929940 in words is "fifty-four million, nine hundred twenty-nine thousand, nine hundred forty".