55272735 has 48 divisors (see below), whose sum is σ = 111758400. Its totient is φ = 25260480.

The previous prime is 55272727. The next prime is 55272739. The reversal of 55272735 is 53727255.

It is a happy number.

55272735 is a `hidden beast` number, since 552 + 72 + 7 + 35 = 666.

It is not a de Polignac number, because 55272735 - 2³ = 55272727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55272735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55272739) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13645 + ... + 17225.

It is an arithmetic number, because the mean of its divisors is an integer number (2328300).

Almost surely, 2^55272735 is an apocalyptic number.

55272735 is an abundant number, since it is smaller than the sum of its proper divisors (56485665).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55272735 is a wasteful number, since it uses less digits than its factorization.

55272735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613 (or 3596 counting only the distinct ones).

The product of its digits is 73500, while the sum is 36.

The square root of 55272735 is about 7434.5635379624. The cubic root of 55272735 is about 380.9228148768.

The spelling of 55272735 in words is "fifty-five million, two hundred seventy-two thousand, seven hundred thirty-five".