55253351 has 4 divisors (see below), whose sum is σ = 55268400. Its totient is φ = 55238304.

The previous prime is 55253339. The next prime is 55253353. The reversal of 55253351 is 15335255.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55253351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55253353) 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, 2015 + ... + 10703.

It is an arithmetic number, because the mean of its divisors is an integer number (13817100).

Almost surely, 2^55253351 is an apocalyptic number.

55253351 is a deficient number, since it is larger than the sum of its proper divisors (15049).

55253351 is an equidigital number, since it uses as much as digits as its factorization.

55253351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15048.

The product of its digits is 11250, while the sum is 29.

The square root of 55253351 is about 7433.2597828947. The cubic root of 55253351 is about 380.8782801336.

The spelling of 55253351 in words is "fifty-five million, two hundred fifty-three thousand, three hundred fifty-one".