55545051 has 8 divisors (see below), whose sum is σ = 74793744. Its totient is φ = 36663200.

The previous prime is 55545031. The next prime is 55545067. The reversal of 55545051 is 15054555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55545051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55545031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91356 + ... + 91961.

It is an arithmetic number, because the mean of its divisors is an integer number (9349218).

Almost surely, 2^55545051 is an apocalyptic number.

55545051 is a deficient number, since it is larger than the sum of its proper divisors (19248693).

55545051 is a wasteful number, since it uses less digits than its factorization.

55545051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183421.

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 55545051 is about 7452.8552246773. The cubic root of 55545051 is about 381.5473632398.

The spelling of 55545051 in words is "fifty-five million, five hundred forty-five thousand, fifty-one".