55042546 has 32 divisors (see below), whose sum is σ = 93800448. Its totient is φ = 24045120.

The previous prime is 55042523. The next prime is 55042621. The reversal of 55042546 is 64524055.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 37156 + ... + 38608.

It is an arithmetic number, because the mean of its divisors is an integer number (2931264).

Almost surely, 2^55042546 is an apocalyptic number.

55042546 is a deficient number, since it is larger than the sum of its proper divisors (38757902).

55042546 is a wasteful number, since it uses less digits than its factorization.

55042546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 55042546 is about 7419.0663833127. The cubic root of 55042546 is about 380.3932816594.

The spelling of 55042546 in words is "fifty-five million, forty-two thousand, five hundred forty-six".