55828430 has 16 divisors (see below), whose sum is σ = 114847200. Its totient is φ = 19141152.

The previous prime is 55828417. The next prime is 55828453. The reversal of 55828430 is 3482855.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398705 + ... + 398844.

It is an arithmetic number, because the mean of its divisors is an integer number (7177950).

Almost surely, 2^55828430 is an apocalyptic number.

55828430 is an abundant number, since it is smaller than the sum of its proper divisors (59018770).

55828430 is a wasteful number, since it uses less digits than its factorization.

55828430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797563.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 55828430 is about 7471.8424769263. The cubic root of 55828430 is about 382.1951206609.

The spelling of 55828430 in words is "fifty-five million, eight hundred twenty-eight thousand, four hundred thirty".