55537606476 has 384 divisors, whose sum is σ = 170930995200. Its totient is φ = 15406433280.

The previous prime is 55537606429. The next prime is 55537606517. The reversal of 55537606476 is 67460673555.

55537606476 is a `hidden beast` number, since 5 + 5 + 537 + 60 + 6 + 47 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 151328445 + ... + 151328811.

It is an arithmetic number, because the mean of its divisors is an integer number (445132800).

Almost surely, 2^55537606476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55537606476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85465497600).

55537606476 is an abundant number, since it is smaller than the sum of its proper divisors (115393388724).

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

55537606476 is a wasteful number, since it uses less digits than its factorization.

55537606476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 15876000, while the sum is 54.

The spelling of 55537606476 in words is "fifty-five billion, five hundred thirty-seven million, six hundred six thousand, four hundred seventy-six".