57623441553 has 20 divisors (see below), whose sum is σ = 91142962020. Its totient is φ = 36155884032.

The previous prime is 57623441539. The next prime is 57623441569. The reversal of 57623441553 is 35514432675.

57623441553 is a `hidden beast` number, since 5 + 7 + 62 + 34 + 4 + 1 + 553 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16167631104 + 41455810449 = 127152^2 + 203607^2 .

It is not a de Polignac number, because 57623441553 - 2⁹ = 57623441041 is a prime.

It is a super-2 number, since 2×57623441553² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57623441499 and 57623441508.

It is not an unprimeable number, because it can be changed into a prime (57623441573) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20922168 + ... + 20924921.

It is an arithmetic number, because the mean of its divisors is an integer number (4557148101).

Almost surely, 2^57623441553 is an apocalyptic number.

It is an amenable number.

57623441553 is a deficient number, since it is larger than the sum of its proper divisors (33519520467).

57623441553 is a wasteful number, since it uses less digits than its factorization.

57623441553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41847118 (or 41847109 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 45.

The spelling of 57623441553 in words is "fifty-seven billion, six hundred twenty-three million, four hundred forty-one thousand, five hundred fifty-three".