55877156 has 6 divisors (see below), whose sum is σ = 97785030. Its totient is φ = 27938576.

The previous prime is 55877093. The next prime is 55877161. The reversal of 55877156 is 65177855.

It can be written as a sum of positive squares in only one way, i.e., 34105600 + 21771556 = 5840^2 + 4666^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6984641 + ... + 6984648.

It is an arithmetic number, because the mean of its divisors is an integer number (16297505).

Almost surely, 2^55877156 is an apocalyptic number.

It is an amenable number.

55877156 is a deficient number, since it is larger than the sum of its proper divisors (41907874).

55877156 is a wasteful number, since it uses less digits than its factorization.

55877156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13969293 (or 13969291 counting only the distinct ones).

The product of its digits is 294000, while the sum is 44.

The square root of 55877156 is about 7475.1024073253. The cubic root of 55877156 is about 382.3062792241.

The spelling of 55877156 in words is "fifty-five million, eight hundred seventy-seven thousand, one hundred fifty-six".