57479553 has 18 divisors (see below), whose sum is σ = 86799986. Its totient is φ = 36650592.

The previous prime is 57479489. The next prime is 57479557. The reversal of 57479553 is 35597475.

57479553 is a `hidden beast` number, since 57 + 47 + 9 + 553 = 666.

It can be written as a sum of positive squares in only one way, i.e., 32798529 + 24681024 = 5727^2 + 4968^2 .

It is not a de Polignac number, because 57479553 - 2⁶ = 57479489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57479499 and 57479508.

It is not an unprimeable number, because it can be changed into a prime (57479557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1276 + ... + 10797.

Almost surely, 2^57479553 is an apocalyptic number.

It is an amenable number.

57479553 is a deficient number, since it is larger than the sum of its proper divisors (29320433).

57479553 is a wasteful number, since it uses less digits than its factorization.

57479553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12125 (or 12099 counting only the distinct ones).

The product of its digits is 661500, while the sum is 45.

The square root of 57479553 is about 7581.5270889182. The cubic root of 57479553 is about 385.9263754807.

The spelling of 57479553 in words is "fifty-seven million, four hundred seventy-nine thousand, five hundred fifty-three".