53004256640550 has 72 divisors (see below), whose sum is σ = 142405617012984. Its totient is φ = 14134384318080.

The previous prime is 53004256640459. The next prime is 53004256640563. The reversal of 53004256640550 is 5504665240035.

53004256640550 is a `hidden beast` number, since 5 + 3 + 0 + 0 + 4 + 2 + 56 + 6 + 40 + 550 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 53004256640496 and 53004256640505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 125498029 + ... + 125919671.

It is an arithmetic number, because the mean of its divisors is an integer number (1977855791847).

Almost surely, 2^{53004256640550} is an apocalyptic number.

53004256640550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53004256640550 is an abundant number, since it is smaller than the sum of its proper divisors (89401360372434).

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

53004256640550 is a wasteful number, since it uses less digits than its factorization.

53004256640550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701014 (or 701006 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

The spelling of 53004256640550 in words is "fifty-three trillion, four billion, two hundred fifty-six million, six hundred forty thousand, five hundred fifty".