55202430 has 32 divisors (see below), whose sum is σ = 133031808. Its totient is φ = 14660000.

The previous prime is 55202423. The next prime is 55202431. The reversal of 55202430 is 3420255.

It is a junction number, because it is equal to n+sod(n) for n = 55202397 and 55202406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55202431) 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, 3865 + ... + 11195.

It is an arithmetic number, because the mean of its divisors is an integer number (4157244).

Almost surely, 2^55202430 is an apocalyptic number.

55202430 is an abundant number, since it is smaller than the sum of its proper divisors (77829378).

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

55202430 is a wasteful number, since it uses less digits than its factorization.

55202430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7592.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 55202430 is about 7429.8337801057. The cubic root of 55202430 is about 380.7612394860.

Adding to 55202430 its reverse (3420255), we get a palindrome (58622685).

The spelling of 55202430 in words is "fifty-five million, two hundred two thousand, four hundred thirty".