55045394 has 16 divisors (see below), whose sum is σ = 90694080. Its totient is φ = 24940080.

The previous prime is 55045387. The next prime is 55045409. The reversal of 55045394 is 49354055.

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, 30617 + ... + 32364.

It is an arithmetic number, because the mean of its divisors is an integer number (5668380).

Almost surely, 2^55045394 is an apocalyptic number.

55045394 is a deficient number, since it is larger than the sum of its proper divisors (35648686).

55045394 is a wasteful number, since it uses less digits than its factorization.

55045394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63025.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 55045394 is about 7419.2583187270. The cubic root of 55045394 is about 380.3998422897.

The spelling of 55045394 in words is "fifty-five million, forty-five thousand, three hundred ninety-four".