55150045 has 8 divisors (see below), whose sum is σ = 67168224. Its totient is φ = 43461264.

The previous prime is 55150033. The next prime is 55150061. The reversal of 55150045 is 54005155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55150045 - 2⁵ = 55150013 is a prime.

It is a Duffinian 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, 81979 + ... + 82648.

It is an arithmetic number, because the mean of its divisors is an integer number (8396028).

Almost surely, 2^55150045 is an apocalyptic number.

It is an amenable number.

55150045 is a deficient number, since it is larger than the sum of its proper divisors (12018179).

55150045 is a wasteful number, since it uses less digits than its factorization.

55150045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164699.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 55150045 is about 7426.3076289634. The cubic root of 55150045 is about 380.6407587376.

The spelling of 55150045 in words is "fifty-five million, one hundred fifty thousand, forty-five".