55615546 has 32 divisors (see below), whose sum is σ = 100800000. Its totient is φ = 22481712.

The previous prime is 55615537. The next prime is 55615559. The reversal of 55615546 is 64551655.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111205 + ... + 111703.

It is an arithmetic number, because the mean of its divisors is an integer number (3150000).

Almost surely, 2^55615546 is an apocalyptic number.

55615546 is a deficient number, since it is larger than the sum of its proper divisors (45184454).

55615546 is a wasteful number, since it uses less digits than its factorization.

55615546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946.

The product of its digits is 90000, while the sum is 37.

The square root of 55615546 is about 7457.5831205559. The cubic root of 55615546 is about 381.7087086105.

The spelling of 55615546 in words is "fifty-five million, six hundred fifteen thousand, five hundred forty-six".