55628895 has 32 divisors (see below), whose sum is σ = 102016512. Its totient is φ = 25356672.

The previous prime is 55628893. The next prime is 55628897. The reversal of 55628895 is 59882655.

It is an interprime number because it is at equal distance from previous prime (55628893) and next prime (55628897).

It is not a de Polignac number, because 55628895 - 2¹ = 55628893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55628891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54409 + ... + 55421.

It is an arithmetic number, because the mean of its divisors is an integer number (3188016).

Almost surely, 2^55628895 is an apocalyptic number.

55628895 is a deficient number, since it is larger than the sum of its proper divisors (46387617).

55628895 is a wasteful number, since it uses less digits than its factorization.

55628895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551.

The product of its digits is 864000, while the sum is 48.

The square root of 55628895 is about 7458.4780619105. The cubic root of 55628895 is about 381.7392457672.

The spelling of 55628895 in words is "fifty-five million, six hundred twenty-eight thousand, eight hundred ninety-five".