55041251 has 4 divisors (see below), whose sum is σ = 55061400. Its totient is φ = 55021104.

The previous prime is 55041241. The next prime is 55041253. The reversal of 55041251 is 15214055.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55041251 - 2⁶ = 55041187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55041253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5186 + ... + 11703.

It is an arithmetic number, because the mean of its divisors is an integer number (13765350).

Almost surely, 2^55041251 is an apocalyptic number.

55041251 is a deficient number, since it is larger than the sum of its proper divisors (20149).

55041251 is a wasteful number, since it uses less digits than its factorization.

55041251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20148.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 55041251 is about 7418.9791076670. The cubic root of 55041251 is about 380.3902984328.

The spelling of 55041251 in words is "fifty-five million, forty-one thousand, two hundred fifty-one".