55513748 has 12 divisors (see below), whose sum is σ = 97653780. Its totient is φ = 27612672.

The previous prime is 55513723. The next prime is 55513753. The reversal of 55513748 is 84731555.

It can be written as a sum of positive squares in 2 ways, for example, as 21548164 + 33965584 = 4642^2 + 5828^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35183 + ... + 36726.

It is an arithmetic number, because the mean of its divisors is an integer number (8137815).

Almost surely, 2^55513748 is an apocalyptic number.

It is an amenable number.

55513748 is a deficient number, since it is larger than the sum of its proper divisors (42140032).

55513748 is a wasteful number, since it uses less digits than its factorization.

55513748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72106 (or 72104 counting only the distinct ones).

The product of its digits is 84000, while the sum is 38.

The square root of 55513748 is about 7450.7548610862. The cubic root of 55513748 is about 381.4756747561.

The spelling of 55513748 in words is "fifty-five million, five hundred thirteen thousand, seven hundred forty-eight".