54721492 has 24 divisors (see below), whose sum is σ = 113218560. Its totient is φ = 22643040.

The previous prime is 54721441. The next prime is 54721517. The reversal of 54721492 is 29412745.

It is an alternating number because its digits alternate between odd and even.

It is a pancake number, because a pancake can be divided into 54721492 parts by 10461 straight cuts.

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, 32884 + ... + 34507.

It is an arithmetic number, because the mean of its divisors is an integer number (4717440).

Almost surely, 2^54721492 is an apocalyptic number.

It is an amenable number.

54721492 is an abundant number, since it is smaller than the sum of its proper divisors (58497068).

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

54721492 is a wasteful number, since it uses less digits than its factorization.

54721492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67431 (or 67429 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 54721492 is about 7397.3976505255. The cubic root of 54721492 is about 379.6522488016.

The spelling of 54721492 in words is "fifty-four million, seven hundred twenty-one thousand, four hundred ninety-two".