55402005230 has 32 divisors (see below), whose sum is σ = 117157809888. Its totient is φ = 18596476800.

The previous prime is 55402005187. The next prime is 55402005367. The reversal of 55402005230 is 3250020455.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 55402005230.

It is a congruent number.

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, 19369901 + ... + 19372760.

It is an arithmetic number, because the mean of its divisors is an integer number (3661181559).

Almost surely, 2^55402005230 is an apocalyptic number.

55402005230 is an abundant number, since it is smaller than the sum of its proper divisors (61755804658).

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

55402005230 is a wasteful number, since it uses less digits than its factorization.

55402005230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38742692.

The product of its (nonzero) digits is 6000, while the sum is 26.

Adding to 55402005230 its reverse (3250020455), we get a palindrome (58652025685).

The spelling of 55402005230 in words is "fifty-five billion, four hundred two million, five thousand, two hundred thirty".