55779248 has 30 divisors (see below), whose sum is σ = 125718516. Its totient is φ = 23905056.

The previous prime is 55779223. The next prime is 55779253. The reversal of 55779248 is 84297755.

It is a happy number.

It is a super-2 number, since 2×55779248² = 6222649014891008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34790 + ... + 36357.

Almost surely, 2^55779248 is an apocalyptic number.

It is an amenable number.

55779248 is an abundant number, since it is smaller than the sum of its proper divisors (69939268).

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

55779248 is a wasteful number, since it uses less digits than its factorization.

55779248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71169 (or 71156 counting only the distinct ones).

The product of its digits is 705600, while the sum is 47.

The square root of 55779248 is about 7468.5505956645. The cubic root of 55779248 is about 382.0828562173.

The spelling of 55779248 in words is "fifty-five million, seven hundred seventy-nine thousand, two hundred forty-eight".