55320446 has 24 divisors (see below), whose sum is σ = 86920680. Its totient is φ = 26391456.

The previous prime is 55320437. The next prime is 55320467. The reversal of 55320446 is 64402355.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241460 + ... + 241688.

It is an arithmetic number, because the mean of its divisors is an integer number (3621695).

Almost surely, 2^55320446 is an apocalyptic number.

55320446 is a deficient number, since it is larger than the sum of its proper divisors (31600234).

55320446 is a wasteful number, since it uses less digits than its factorization.

55320446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 55320446 is about 7437.7715748738. The cubic root of 55320446 is about 381.0323865710.

The spelling of 55320446 in words is "fifty-five million, three hundred twenty thousand, four hundred forty-six".