55663051 has 2 divisors, whose sum is σ = 55663052. Its totient is φ = 55663050.

The previous prime is 55663043. The next prime is 55663061. The reversal of 55663051 is 15036655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55663051 - 2³ = 55663043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55663021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27831525 + 27831526.

It is an arithmetic number, because the mean of its divisors is an integer number (27831526).

Almost surely, 2^55663051 is an apocalyptic number.

55663051 is a deficient number, since it is larger than the sum of its proper divisors (1).

55663051 is an equidigital number, since it uses as much as digits as its factorization.

55663051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 55663051 is about 7460.7674538214. The cubic root of 55663051 is about 381.8173587576.

The spelling of 55663051 in words is "fifty-five million, six hundred sixty-three thousand, fifty-one".