55177748 has 12 divisors (see below), whose sum is σ = 101643360. Its totient is φ = 26136792.

The previous prime is 55177739. The next prime is 55177751. The reversal of 55177748 is 84777155.

It is a junction number, because it is equal to n+sod(n) for n = 55177699 and 55177708.

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, 362936 + ... + 363087.

It is an arithmetic number, because the mean of its divisors is an integer number (8470280).

Almost surely, 2^55177748 is an apocalyptic number.

It is an amenable number.

55177748 is a deficient number, since it is larger than the sum of its proper divisors (46465612).

55177748 is a wasteful number, since it uses less digits than its factorization.

55177748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726046 (or 726044 counting only the distinct ones).

The product of its digits is 274400, while the sum is 44.

The square root of 55177748 is about 7428.1725881942. The cubic root of 55177748 is about 380.7044826251.

The spelling of 55177748 in words is "fifty-five million, one hundred seventy-seven thousand, seven hundred forty-eight".