55495340 has 12 divisors (see below), whose sum is σ = 116540256. Its totient is φ = 22198128.

The previous prime is 55495339. The next prime is 55495351. The reversal of 55495340 is 4359455.

It is a self number, because there is not a number n which added to its sum of digits gives 55495340.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387364 + ... + 1387403.

It is an arithmetic number, because the mean of its divisors is an integer number (9711688).

Almost surely, 2^55495340 is an apocalyptic number.

It is an amenable number.

55495340 is an abundant number, since it is smaller than the sum of its proper divisors (61044916).

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

55495340 is a wasteful number, since it uses less digits than its factorization.

55495340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774776 (or 2774774 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 55495340 is about 7449.5194475885. The cubic root of 55495340 is about 381.4335051387.

The spelling of 55495340 in words is "fifty-five million, four hundred ninety-five thousand, three hundred forty".