55352745 has 24 divisors (see below), whose sum is σ = 109651776. Its totient is φ = 25303968.

The previous prime is 55352683. The next prime is 55352753. The reversal of 55352745 is 54725355.

It is not a de Polignac number, because 55352745 - 2¹⁴ = 55336361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87547 + ... + 88176.

It is an arithmetic number, because the mean of its divisors is an integer number (4568824).

Almost surely, 2^55352745 is an apocalyptic number.

It is an amenable number.

55352745 is a deficient number, since it is larger than the sum of its proper divisors (54299031).

55352745 is a wasteful number, since it uses less digits than its factorization.

55352745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175741 (or 175738 counting only the distinct ones).

The product of its digits is 105000, while the sum is 36.

The square root of 55352745 is about 7439.9425401007. The cubic root of 55352745 is about 381.1065277585.

The spelling of 55352745 in words is "fifty-five million, three hundred fifty-two thousand, seven hundred forty-five".