55135748 has 6 divisors (see below), whose sum is σ = 96487566. Its totient is φ = 27567872.

The previous prime is 55135733. The next prime is 55135781. The reversal of 55135748 is 84753155.

It can be written as a sum of positive squares in only one way, i.e., 35617024 + 19518724 = 5968^2 + 4418^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6891965 + ... + 6891972.

It is an arithmetic number, because the mean of its divisors is an integer number (16081261).

Almost surely, 2^55135748 is an apocalyptic number.

It is an amenable number.

55135748 is a deficient number, since it is larger than the sum of its proper divisors (41351818).

55135748 is a wasteful number, since it uses less digits than its factorization.

55135748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13783941 (or 13783939 counting only the distinct ones).

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

The square root of 55135748 is about 7425.3449751510. The cubic root of 55135748 is about 380.6078636828.

The spelling of 55135748 in words is "fifty-five million, one hundred thirty-five thousand, seven hundred forty-eight".