55552785 has 16 divisors (see below), whose sum is σ = 89032704. Its totient is φ = 29578752.

The previous prime is 55552771. The next prime is 55552793. The reversal of 55552785 is 58725555.

It is not a de Polignac number, because 55552785 - 2¹⁴ = 55536401 is a prime.

It is a super-2 number, since 2×55552785² = 6172223842512450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7344 + ... + 12846.

It is an arithmetic number, because the mean of its divisors is an integer number (5564544).

Almost surely, 2^55552785 is an apocalyptic number.

It is an amenable number.

55552785 is a deficient number, since it is larger than the sum of its proper divisors (33479919).

55552785 is a wasteful number, since it uses less digits than its factorization.

55552785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184.

The product of its digits is 350000, while the sum is 42.

The square root of 55552785 is about 7453.3740681654. The cubic root of 55552785 is about 381.5650710902.

The spelling of 55552785 in words is "fifty-five million, five hundred fifty-two thousand, seven hundred eighty-five".