55715077 has 8 divisors (see below), whose sum is σ = 60917472. Its totient is φ = 50535600.

The previous prime is 55715071. The next prime is 55715089. The reversal of 55715077 is 77051755.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55715077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55715071) 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, 423 + ... + 10564.

It is an arithmetic number, because the mean of its divisors is an integer number (7614684).

Almost surely, 2^55715077 is an apocalyptic number.

It is an amenable number.

55715077 is a deficient number, since it is larger than the sum of its proper divisors (5202395).

55715077 is a wasteful number, since it uses less digits than its factorization.

55715077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11459.

The product of its (nonzero) digits is 42875, while the sum is 37.

The square root of 55715077 is about 7464.2532781250. The cubic root of 55715077 is about 381.9362781241.

It can be divided in two parts, 5571 and 5077, that added together give a cube (10648 = 22³).

The spelling of 55715077 in words is "fifty-five million, seven hundred fifteen thousand, seventy-seven".