55538273460 has 48 divisors (see below), whose sum is σ = 155528315712. Its totient is φ = 14808192000.

The previous prime is 55538273447. The next prime is 55538273467. The reversal of 55538273460 is 6437283555.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55538273467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411435 + ... + 529485.

It is an arithmetic number, because the mean of its divisors is an integer number (3240173244).

Almost surely, 2^55538273460 is an apocalyptic number.

It is an amenable number.

55538273460 is an abundant number, since it is smaller than the sum of its proper divisors (99990042252).

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

55538273460 is a wasteful number, since it uses less digits than its factorization.

55538273460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125904 (or 125902 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 55538273460 in words is "fifty-five billion, five hundred thirty-eight million, two hundred seventy-three thousand, four hundred sixty".