55816430 has 16 divisors (see below), whose sum is σ = 103711104. Its totient is φ = 21606240.

The previous prime is 55816429. The next prime is 55816447. The reversal of 55816430 is 3461855.

It is a happy number.

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, 89717 + ... + 90336.

It is an arithmetic number, because the mean of its divisors is an integer number (6481944).

Almost surely, 2^55816430 is an apocalyptic number.

55816430 is a deficient number, since it is larger than the sum of its proper divisors (47894674).

55816430 is a wasteful number, since it uses less digits than its factorization.

55816430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180091.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 55816430 is about 7471.0394189831. The cubic root of 55816430 is about 382.1677351509.

The spelling of 55816430 in words is "fifty-five million, eight hundred sixteen thousand, four hundred thirty".