55292445 has 48 divisors (see below), whose sum is σ = 105460992. Its totient is φ = 26628480.

The previous prime is 55292443. The next prime is 55292459. The reversal of 55292445 is 54429255.

It is not a de Polignac number, because 55292445 - 2¹ = 55292443 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55292443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26490 + ... + 28500.

It is an arithmetic number, because the mean of its divisors is an integer number (2197104).

Almost surely, 2^55292445 is an apocalyptic number.

It is an amenable number.

55292445 is a deficient number, since it is larger than the sum of its proper divisors (50168547).

55292445 is a wasteful number, since it uses less digits than its factorization.

55292445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082 (or 2079 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 55292445 is about 7435.8889851853. Note that the first 3 decimals coincide. The cubic root of 55292445 is about 380.9680879300.

The spelling of 55292445 in words is "fifty-five million, two hundred ninety-two thousand, four hundred forty-five".