55088530 has 16 divisors (see below), whose sum is σ = 113325120. Its totient is φ = 18887472.

The previous prime is 55088521. The next prime is 55088549. The reversal of 55088530 is 3588055.

It is a super-2 number, since 2×55088530² = 6069492275121800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393420 + ... + 393559.

It is an arithmetic number, because the mean of its divisors is an integer number (7082820).

Almost surely, 2^55088530 is an apocalyptic number.

55088530 is an abundant number, since it is smaller than the sum of its proper divisors (58236590).

55088530 is a wasteful number, since it uses less digits than its factorization.

55088530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786993.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 55088530 is about 7422.1647785535. The cubic root of 55088530 is about 380.4991823798.

The spelling of 55088530 in words is "fifty-five million, eighty-eight thousand, five hundred thirty".