55504051 has 2 divisors, whose sum is σ = 55504052. Its totient is φ = 55504050.

The previous prime is 55504019. The next prime is 55504061. The reversal of 55504051 is 15040555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55504051 - 2⁵ = 55504019 is a prime.

It is not a weakly prime, because it can be changed into another prime (55504061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752025 + 27752026.

It is an arithmetic number, because the mean of its divisors is an integer number (27752026).

Almost surely, 2^55504051 is an apocalyptic number.

55504051 is a deficient number, since it is larger than the sum of its proper divisors (1).

55504051 is an equidigital number, since it uses as much as digits as its factorization.

55504051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 55504051 is about 7450.1040932325. The cubic root of 55504051 is about 381.4534617298.

The spelling of 55504051 in words is "fifty-five million, five hundred four thousand, fifty-one".