55204830 has 48 divisors (see below), whose sum is σ = 149778720. Its totient is φ = 14080704.

The previous prime is 55204813. The next prime is 55204847. The reversal of 55204830 is 3840255.

It is an interprime number because it is at equal distance from previous prime (55204813) and next prime (55204847).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55204794 and 55204803.

It is a congruent number.

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, 11265 + ... + 15404.

It is an arithmetic number, because the mean of its divisors is an integer number (3120390).

Almost surely, 2^55204830 is an apocalyptic number.

55204830 is an abundant number, since it is smaller than the sum of its proper divisors (94573890).

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

55204830 is a wasteful number, since it uses less digits than its factorization.

55204830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26705 (or 26702 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 55204830 is about 7429.9952893659. The cubic root of 55204830 is about 380.7667574420.

The spelling of 55204830 in words is "fifty-five million, two hundred four thousand, eight hundred thirty".