57421688292 has 60 divisors (see below), whose sum is σ = 150729585776. Its totient is φ = 19140536520.

The previous prime is 57421688287. The next prime is 57421688323. The reversal of 57421688292 is 29288612475.

57421688292 is a `hidden beast` number, since 57 + 421 + 6 + 8 + 82 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 285934 + ... + 443397.

Almost surely, 2^57421688292 is an apocalyptic number.

It is an amenable number.

57421688292 is an abundant number, since it is smaller than the sum of its proper divisors (93307897484).

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

57421688292 is an frugal number, since it uses more digits than its factorization.

57421688292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729362 (or 729336 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The spelling of 57421688292 in words is "fifty-seven billion, four hundred twenty-one million, six hundred eighty-eight thousand, two hundred ninety-two".