55908192087 has 16 divisors (see below), whose sum is σ = 90356674560. Its totient is φ = 33883752600.

The previous prime is 55908192083. The next prime is 55908192101. The reversal of 55908192087 is 78029180955.

55908192087 is a `hidden beast` number, since 559 + 0 + 8 + 1 + 9 + 2 + 0 + 87 = 666.

55908192087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55908192087 - 2² = 55908192083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55908192083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94121239 + ... + 94121832.

It is an arithmetic number, because the mean of its divisors is an integer number (5647292160).

Almost surely, 2^55908192087 is an apocalyptic number.

55908192087 is a deficient number, since it is larger than the sum of its proper divisors (34448482473).

55908192087 is a wasteful number, since it uses less digits than its factorization.

55908192087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188243091 (or 188243085 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 54.

The spelling of 55908192087 in words is "fifty-five billion, nine hundred eight million, one hundred ninety-two thousand, eighty-seven".