55715080 has 16 divisors (see below), whose sum is σ = 125359020. Its totient is φ = 22286016.

The previous prime is 55715071. The next prime is 55715089. The reversal of 55715080 is 8051755.

It is an interprime number because it is at equal distance from previous prime (55715071) and next prime (55715089).

It can be written as a sum of positive squares in 2 ways, for example, as 54552996 + 1162084 = 7386^2 + 1078^2 .

It is not an unprimeable number, because it can be changed into a prime (55715089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696399 + ... + 696478.

Almost surely, 2^55715080 is an apocalyptic number.

It is an amenable number.

55715080 is an abundant number, since it is smaller than the sum of its proper divisors (69643940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55715080 is a wasteful number, since it uses less digits than its factorization.

55715080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392888 (or 1392884 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 31.

The square root of 55715080 is about 7464.2534790828. The cubic root of 55715080 is about 381.9362849793.

The spelling of 55715080 in words is "fifty-five million, seven hundred fifteen thousand, eighty".