55151245 has 8 divisors (see below), whose sum is σ = 66479616. Its totient is φ = 43922256.

The previous prime is 55151237. The next prime is 55151267. The reversal of 55151245 is 54215155.

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 55151245 - 2³ = 55151237 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, 23617 + ... + 25846.

It is an arithmetic number, because the mean of its divisors is an integer number (8309952).

Almost surely, 2^55151245 is an apocalyptic number.

It is an amenable number.

55151245 is a deficient number, since it is larger than the sum of its proper divisors (11328371).

55151245 is a wasteful number, since it uses less digits than its factorization.

55151245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49691.

The product of its digits is 5000, while the sum is 28.

The square root of 55151245 is about 7426.3884223760. The cubic root of 55151245 is about 380.6435194824.

The spelling of 55151245 in words is "fifty-five million, one hundred fifty-one thousand, two hundred forty-five".