55258527 has 8 divisors (see below), whose sum is σ = 73762560. Its totient is φ = 36796760.

The previous prime is 55258481. The next prime is 55258537. The reversal of 55258527 is 72585255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55258527 - 2⁸ = 55258271 is a prime.

It is a super-3 number, since 3×55258527³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55258537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7377 + ... + 12842.

It is an arithmetic number, because the mean of its divisors is an integer number (9220320).

Almost surely, 2^55258527 is an apocalyptic number.

55258527 is a deficient number, since it is larger than the sum of its proper divisors (18504033).

55258527 is a wasteful number, since it uses less digits than its factorization.

55258527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21133.

The product of its digits is 140000, while the sum is 39.

The square root of 55258527 is about 7433.6079396212. The cubic root of 55258527 is about 380.8901730136.

The spelling of 55258527 in words is "fifty-five million, two hundred fifty-eight thousand, five hundred twenty-seven".