55061051 has 2 divisors, whose sum is σ = 55061052. Its totient is φ = 55061050.

The previous prime is 55061047. The next prime is 55061063. The reversal of 55061051 is 15016055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55061051 - 2² = 55061047 is a prime.

It is not a weakly prime, because it can be changed into another prime (55061021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27530525 + 27530526.

It is an arithmetic number, because the mean of its divisors is an integer number (27530526).

Almost surely, 2^55061051 is an apocalyptic number.

55061051 is a deficient number, since it is larger than the sum of its proper divisors (1).

55061051 is an equidigital number, since it uses as much as digits as its factorization.

55061051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 55061051 is about 7420.3134030848. The cubic root of 55061051 is about 380.4359055900.

The spelling of 55061051 in words is "fifty-five million, sixty-one thousand, fifty-one".