55756499 has 4 divisors (see below), whose sum is σ = 55958064. Its totient is φ = 55554936.

The previous prime is 55756489. The next prime is 55756511. The reversal of 55756499 is 99465755.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99465755 = 5 ⋅19893151.

It is a cyclic number.

It is not a de Polignac number, because 55756499 - 2⁴ = 55756483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55756489) 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, 100367 + ... + 100920.

It is an arithmetic number, because the mean of its divisors is an integer number (13989516).

Almost surely, 2^55756499 is an apocalyptic number.

55756499 is a deficient number, since it is larger than the sum of its proper divisors (201565).

55756499 is a wasteful number, since it uses less digits than its factorization.

55756499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201564.

The product of its digits is 1701000, while the sum is 50.

The square root of 55756499 is about 7467.0274540810. The cubic root of 55756499 is about 382.0309062830.

The spelling of 55756499 in words is "fifty-five million, seven hundred fifty-six thousand, four hundred ninety-nine".