57474445959 has 24 divisors (see below), whose sum is σ = 94920282912. Its totient is φ = 32828060160.

The previous prime is 57474445957. The next prime is 57474445961. The reversal of 57474445959 is 95954447475.

57474445959 is a `hidden beast` number, since 5 + 74 + 74 + 445 + 9 + 59 = 666.

It is an interprime number because it is at equal distance from previous prime (57474445957) and next prime (57474445961).

It is not a de Polignac number, because 57474445959 - 2¹ = 57474445957 is a prime.

It is a super-2 number, since 2×57474445959² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 57474445896 and 57474445905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57474445957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56274 + ... + 343679.

It is an arithmetic number, because the mean of its divisors is an integer number (3955011788).

Almost surely, 2^57474445959 is an apocalyptic number.

57474445959 is a deficient number, since it is larger than the sum of its proper divisors (37445836953).

57474445959 is a wasteful number, since it uses less digits than its factorization.

57474445959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402247 (or 402244 counting only the distinct ones).

The product of its digits is 127008000, while the sum is 63.

The spelling of 57474445959 in words is "fifty-seven billion, four hundred seventy-four million, four hundred forty-five thousand, nine hundred fifty-nine".