54775587 has 6 divisors (see below), whose sum is σ = 73051212. Its totient is φ = 36508512.

The previous prime is 54775579. The next prime is 54775603. The reversal of 54775587 is 78557745.

It is a happy number.

It is not a de Polignac number, because 54775587 - 2³ = 54775579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54775517) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10683 + ... + 14955.

It is an arithmetic number, because the mean of its divisors is an integer number (12175202).

Almost surely, 2^54775587 is an apocalyptic number.

54775587 is a deficient number, since it is larger than the sum of its proper divisors (18275625).

54775587 is an frugal number, since it uses more digits than its factorization.

54775587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8549 (or 4276 counting only the distinct ones).

The product of its digits is 1372000, while the sum is 48.

The square root of 54775587 is about 7401.0531007418. The cubic root of 54775587 is about 379.7773095042. Note that the first 3 decimals are identical.

Multiplying 54775587 by its sum of digits (48), we get a square (2629228176 = 51276²).

The spelling of 54775587 in words is "fifty-four million, seven hundred seventy-five thousand, five hundred eighty-seven".