55342700 has 72 divisors (see below), whose sum is σ = 138345312. Its totient is φ = 18823680.

The previous prime is 55342699. The next prime is 55342723. The reversal of 55342700 is 724355.

It is a self number, because there is not a number n which added to its sum of digits gives 55342700.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120872 + ... + 121328.

Almost surely, 2^55342700 is an apocalyptic number.

55342700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55342700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69172656).

55342700 is an abundant number, since it is smaller than the sum of its proper divisors (83002612).

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

55342700 is a wasteful number, since it uses less digits than its factorization.

55342700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 55342700 is about 7439.2674370532. The cubic root of 55342700 is about 381.0834729147.

The spelling of 55342700 in words is "fifty-five million, three hundred forty-two thousand, seven hundred".