55502430 has 32 divisors (see below), whose sum is σ = 134586144. Its totient is φ = 14647296.

The previous prime is 55502423. The next prime is 55502437. The reversal of 55502430 is 3420555.

It is an interprime number because it is at equal distance from previous prime (55502423) and next prime (55502437).

It is a self number, because there is not a number n which added to its sum of digits gives 55502430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55502437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6627 + ... + 12446.

It is an arithmetic number, because the mean of its divisors is an integer number (4205817).

Almost surely, 2^55502430 is an apocalyptic number.

55502430 is an abundant number, since it is smaller than the sum of its proper divisors (79083714).

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

55502430 is a wasteful number, since it uses less digits than its factorization.

55502430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19180.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 55502430 is about 7449.9953020119. The cubic root of 55502430 is about 381.4497482346.

Adding to 55502430 its reverse (3420555), we get a palindrome (58922985).

The spelling of 55502430 in words is "fifty-five million, five hundred two thousand, four hundred thirty".