55486508 has 48 divisors (see below), whose sum is σ = 123669504. Its totient is φ = 21152640.

The previous prime is 55486499. The next prime is 55486513. The reversal of 55486508 is 80568455.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12560 + ... + 16392.

It is an arithmetic number, because the mean of its divisors is an integer number (2576448).

Almost surely, 2^55486508 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 55486508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61834752).

55486508 is an abundant number, since it is smaller than the sum of its proper divisors (68182996).

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

55486508 is a wasteful number, since it uses less digits than its factorization.

55486508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3902 (or 3900 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 41.

The square root of 55486508 is about 7448.9266340863. The cubic root of 55486508 is about 381.4132692087.

The spelling of 55486508 in words is "fifty-five million, four hundred eighty-six thousand, five hundred eight".