57551050404 has 27 divisors (see below), whose sum is σ = 145479904843. Its totient is φ = 19183203672.

The previous prime is 57551050393. The next prime is 57551050439. The reversal of 57551050404 is 40405015575.

The square root of 57551050404 is 239898.

It is a perfect power (a square), and thus also a powerful number.

57551050404 is a `hidden beast` number, since 57 + 5 + 510 + 50 + 40 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1419397 + ... + 1459379.

Almost surely, 2^57551050404 is an apocalyptic number.

57551050404 is the 239898-th square number.

It is an amenable number.

57551050404 is an abundant number, since it is smaller than the sum of its proper divisors (87928854439).

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

57551050404 is an frugal number, since it uses more digits than its factorization.

57551050404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79976 (or 39988 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 36.

Multiplying 57551050404 by its sum of digits (36), we get a square (2071837814544 = 1439388²).

57551050404 divided by its sum of digits (36) gives a square (1598640289 = 39983²).

Adding to 57551050404 its reverse (40405015575), we get a palindrome (97956065979).

The spelling of 57551050404 in words is "fifty-seven billion, five hundred fifty-one million, fifty thousand, four hundred four".