55501245 has 12 divisors (see below), whose sum is σ = 96202236. Its totient is φ = 29600640.

The previous prime is 55501211. The next prime is 55501267. The reversal of 55501245 is 54210555.

It can be written as a sum of positive squares in 2 ways, for example, as 15280281 + 40220964 = 3909^2 + 6342^2 .

It is not a de Polignac number, because 55501245 - 2⁶ = 55501181 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 616636 + ... + 616725.

It is an arithmetic number, because the mean of its divisors is an integer number (8016853).

Almost surely, 2^55501245 is an apocalyptic number.

It is an amenable number.

55501245 is a deficient number, since it is larger than the sum of its proper divisors (40700991).

55501245 is a wasteful number, since it uses less digits than its factorization.

55501245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233372 (or 1233369 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 55501245 is about 7449.9157713359. The cubic root of 55501245 is about 381.4470335116.

The spelling of 55501245 in words is "fifty-five million, five hundred one thousand, two hundred forty-five".