55297397448 has 48 divisors (see below), whose sum is σ = 149995385280. Its totient is φ = 18403961184.

The previous prime is 55297397443. The next prime is 55297397471. The reversal of 55297397448 is 84479379255.

55297397448 is a `hidden beast` number, since 5 + 529 + 7 + 39 + 74 + 4 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (55297397443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 546940 + ... + 640107.

It is an arithmetic number, because the mean of its divisors is an integer number (3124903860).

Almost surely, 2^55297397448 is an apocalyptic number.

It is an amenable number.

55297397448 is an abundant number, since it is smaller than the sum of its proper divisors (94697987832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55297397448 is a wasteful number, since it uses less digits than its factorization.

55297397448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187706 (or 1187699 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 63.

The spelling of 55297397448 in words is "fifty-five billion, two hundred ninety-seven million, three hundred ninety-seven thousand, four hundred forty-eight".