55251059 has 4 divisors (see below), whose sum is σ = 55492560. Its totient is φ = 55009560.

The previous prime is 55251047. The next prime is 55251089. The reversal of 55251059 is 95015255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95015255 = 5 ⋅19003051.

It is a cyclic number.

It is not a de Polignac number, because 55251059 - 2¹² = 55246963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55251089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120407 + ... + 120864.

It is an arithmetic number, because the mean of its divisors is an integer number (13873140).

Almost surely, 2^55251059 is an apocalyptic number.

55251059 is a deficient number, since it is larger than the sum of its proper divisors (241501).

55251059 is a wasteful number, since it uses less digits than its factorization.

55251059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241500.

The product of its (nonzero) digits is 11250, while the sum is 32.

The square root of 55251059 is about 7433.1056093668. The cubic root of 55251059 is about 380.8730135747.

The spelling of 55251059 in words is "fifty-five million, two hundred fifty-one thousand, fifty-nine".