55270051 has 2 divisors, whose sum is σ = 55270052. Its totient is φ = 55270050.

The previous prime is 55270013. The next prime is 55270063. The reversal of 55270051 is 15007255.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55270051 - 2⁷ = 55269923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55269998 and 55270025.

It is not a weakly prime, because it can be changed into another prime (55270001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27635025 + 27635026.

It is an arithmetic number, because the mean of its divisors is an integer number (27635026).

Almost surely, 2^55270051 is an apocalyptic number.

55270051 is a deficient number, since it is larger than the sum of its proper divisors (1).

55270051 is an equidigital number, since it uses as much as digits as its factorization.

55270051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 55270051 is about 7434.3830275282. The cubic root of 55270051 is about 380.9166490075.

The spelling of 55270051 in words is "fifty-five million, two hundred seventy thousand, fifty-one".