55307051 has 2 divisors, whose sum is σ = 55307052. Its totient is φ = 55307050.

The previous prime is 55307039. The next prime is 55307071. The reversal of 55307051 is 15070355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55307051 - 2¹⁸ = 55044907 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55307051.

It is not a weakly prime, because it can be changed into another prime (55307011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27653525 + 27653526.

It is an arithmetic number, because the mean of its divisors is an integer number (27653526).

Almost surely, 2^55307051 is an apocalyptic number.

55307051 is a deficient number, since it is larger than the sum of its proper divisors (1).

55307051 is an equidigital number, since it uses as much as digits as its factorization.

55307051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 55307051 is about 7436.8710490367. The cubic root of 55307051 is about 381.0016303667.

The spelling of 55307051 in words is "fifty-five million, three hundred seven thousand, fifty-one".