55295237 has 12 divisors (see below), whose sum is σ = 59566596. Its totient is φ = 51310080.

The previous prime is 55295209. The next prime is 55295267. The reversal of 55295237 is 73259255.

It can be written as a sum of positive squares in 6 ways, for example, as 12967201 + 42328036 = 3601^2 + 6506^2 .

It is not a de Polignac number, because 55295237 - 2¹² = 55291141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55295237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55295267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19787 + ... + 22407.

It is an arithmetic number, because the mean of its divisors is an integer number (4963883).

Almost surely, 2^55295237 is an apocalyptic number.

It is an amenable number.

55295237 is a deficient number, since it is larger than the sum of its proper divisors (4271359).

55295237 is a wasteful number, since it uses less digits than its factorization.

55295237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728 (or 2711 counting only the distinct ones).

The product of its digits is 94500, while the sum is 38.

The square root of 55295237 is about 7436.0767209598. The cubic root of 55295237 is about 380.9745001683.

The spelling of 55295237 in words is "fifty-five million, two hundred ninety-five thousand, two hundred thirty-seven".