55326870 has 24 divisors (see below), whose sum is σ = 143850096. Its totient is φ = 14753808.

The previous prime is 55326863. The next prime is 55326871. The reversal of 55326870 is 7862355.

55326870 is a `hidden beast` number, since 553 + 26 + 87 + 0 = 666.

It is a super-2 number, since 2×55326870² = 6122125087993800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55326871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307282 + ... + 307461.

It is an arithmetic number, because the mean of its divisors is an integer number (5993754).

Almost surely, 2^55326870 is an apocalyptic number.

55326870 is an abundant number, since it is smaller than the sum of its proper divisors (88523226).

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

55326870 is a wasteful number, since it uses less digits than its factorization.

55326870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614756 (or 614753 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 55326870 is about 7438.2034121151. The cubic root of 55326870 is about 381.0471349295.

The spelling of 55326870 in words is "fifty-five million, three hundred twenty-six thousand, eight hundred seventy".