55657602 has 96 divisors (see below), whose sum is σ = 161965440. Its totient is φ = 13340160.

The previous prime is 55657601. The next prime is 55657621. The reversal of 55657602 is 20675655.

It is not an unprimeable number, because it can be changed into a prime (55657601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16474 + ... + 19562.

It is an arithmetic number, because the mean of its divisors is an integer number (1687140).

Almost surely, 2^55657602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55657602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80982720).

55657602 is an abundant number, since it is smaller than the sum of its proper divisors (106307838).

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

55657602 is a wasteful number, since it uses less digits than its factorization.

55657602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128 (or 3125 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 55657602 is about 7460.4022679746. The cubic root of 55657602 is about 381.8048993215.

The spelling of 55657602 in words is "fifty-five million, six hundred fifty-seven thousand, six hundred two".