55981348 has 6 divisors (see below), whose sum is σ = 97967366. Its totient is φ = 27990672.

The previous prime is 55981337. The next prime is 55981361. The reversal of 55981348 is 84318955.

It can be written as a sum of positive squares in only one way, i.e., 55980324 + 1024 = 7482^2 + 32^2 .

It is a super-2 number, since 2×55981348² = 6267822647794208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6997665 + ... + 6997672.

Almost surely, 2^55981348 is an apocalyptic number.

It is an amenable number.

55981348 is a deficient number, since it is larger than the sum of its proper divisors (41986018).

55981348 is a wasteful number, since it uses less digits than its factorization.

55981348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13995341 (or 13995339 counting only the distinct ones).

The product of its digits is 172800, while the sum is 43.

The square root of 55981348 is about 7482.0684305879. The cubic root of 55981348 is about 382.5437556563.

The spelling of 55981348 in words is "fifty-five million, nine hundred eighty-one thousand, three hundred forty-eight".