55685476 has 24 divisors (see below), whose sum is σ = 121496256. Its totient is φ = 21695520.

The previous prime is 55685471. The next prime is 55685491. The reversal of 55685476 is 67458655.

It is not an unprimeable number, because it can be changed into a prime (55685471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90091 + ... + 90706.

It is an arithmetic number, because the mean of its divisors is an integer number (5062344).

Almost surely, 2^55685476 is an apocalyptic number.

It is an amenable number.

55685476 is an abundant number, since it is smaller than the sum of its proper divisors (65810780).

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

55685476 is a wasteful number, since it uses less digits than its factorization.

55685476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180819 (or 180817 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 46.

The square root of 55685476 is about 7462.2701639649. The cubic root of 55685476 is about 381.8686261875.

The spelling of 55685476 in words is "fifty-five million, six hundred eighty-five thousand, four hundred seventy-six".