55730877 has 8 divisors (see below), whose sum is σ = 74343264. Its totient is φ = 37136208.

The previous prime is 55730791. The next prime is 55730903. The reversal of 55730877 is 77803755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55730877 - 2¹⁵ = 55698109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55730677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7518 + ... + 12960.

It is an arithmetic number, because the mean of its divisors is an integer number (9292908).

Almost surely, 2^55730877 is an apocalyptic number.

It is an amenable number.

55730877 is a deficient number, since it is larger than the sum of its proper divisors (18612387).

55730877 is a wasteful number, since it uses less digits than its factorization.

55730877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8859.

The product of its (nonzero) digits is 205800, while the sum is 42.

The square root of 55730877 is about 7465.3115809054. The cubic root of 55730877 is about 381.9723786028.

The spelling of 55730877 in words is "fifty-five million, seven hundred thirty thousand, eight hundred seventy-seven".