55005572 has 12 divisors (see below), whose sum is σ = 96432336. Its totient is φ = 27453480.

The previous prime is 55005553. The next prime is 55005583. The reversal of 55005572 is 27550055.

It is a super-2 number, since 2×55005572² = 6051225902094368, 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 3 ways as a sum of consecutive naturals, for example, 9758 + ... + 14325.

It is an arithmetic number, because the mean of its divisors is an integer number (8036028).

Almost surely, 2^55005572 is an apocalyptic number.

It is an amenable number.

55005572 is a deficient number, since it is larger than the sum of its proper divisors (41426764).

55005572 is a wasteful number, since it uses less digits than its factorization.

55005572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24658 (or 24656 counting only the distinct ones).

The product of its (nonzero) digits is 8750, while the sum is 29.

The square root of 55005572 is about 7416.5741417450. The cubic root of 55005572 is about 380.3080880977.

The spelling of 55005572 in words is "fifty-five million, five thousand, five hundred seventy-two".