54437604057 has 18 divisors (see below), whose sum is σ = 78731550846. Its totient is φ = 36245890560.

The previous prime is 54437603993. The next prime is 54437604077. The reversal of 54437604057 is 75040673445.

54437604057 is a `hidden beast` number, since 5 + 4 + 4 + 37 + 604 + 0 + 5 + 7 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 6498939456 + 47938664601 = 80616^2 + 218949^2 .

It is not a de Polignac number, because 54437604057 - 2⁶ = 54437603993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54437604077) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6981553 + ... + 6989345.

It is an arithmetic number, because the mean of its divisors is an integer number (4373975047).

Almost surely, 2^54437604057 is an apocalyptic number.

It is an amenable number.

54437604057 is a deficient number, since it is larger than the sum of its proper divisors (24293946789).

54437604057 is an frugal number, since it uses more digits than its factorization.

54437604057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9561 (or 8677 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 45.

The spelling of 54437604057 in words is "fifty-four billion, four hundred thirty-seven million, six hundred four thousand, fifty-seven".