55740699 has 24 divisors (see below), whose sum is σ = 96861440. Its totient is φ = 30174768.

The previous prime is 55740691. The next prime is 55740721. The reversal of 55740699 is 99604755.

It is a happy number.

55740699 is a `hidden beast` number, since 557 + 4 + 0 + 6 + 99 = 666.

It is not a de Polignac number, because 55740699 - 2³ = 55740691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55740691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22087 + ... + 24480.

Almost surely, 2^55740699 is an apocalyptic number.

55740699 is a deficient number, since it is larger than the sum of its proper divisors (41120741).

55740699 is a wasteful number, since it uses less digits than its factorization.

55740699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46599 (or 46596 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 55740699 is about 7465.9693945261. The cubic root of 55740699 is about 381.9948168663.

The spelling of 55740699 in words is "fifty-five million, seven hundred forty thousand, six hundred ninety-nine".