55773475 has 6 divisors (see below), whose sum is σ = 69159140. Its totient is φ = 44618760.

The previous prime is 55773469. The next prime is 55773479. The reversal of 55773475 is 57437755.

It is not a de Polignac number, because 55773475 - 2¹⁷ = 55642403 is a prime.

It is a super-2 number, since 2×55773475² = 6221361027151250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55773479) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1115445 + ... + 1115494.

Almost surely, 2^55773475 is an apocalyptic number.

55773475 is a deficient number, since it is larger than the sum of its proper divisors (13385665).

55773475 is a wasteful number, since it uses less digits than its factorization.

55773475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230949 (or 2230944 counting only the distinct ones).

The product of its digits is 514500, while the sum is 43.

The square root of 55773475 is about 7468.1640983578. The cubic root of 55773475 is about 382.0696742514.

The spelling of 55773475 in words is "fifty-five million, seven hundred seventy-three thousand, four hundred seventy-five".