55297382061 has 16 divisors (see below), whose sum is σ = 74527764480. Its totient is φ = 36466750320.

The previous prime is 55297382059. The next prime is 55297382081. The reversal of 55297382061 is 16028379255.

It is not a de Polignac number, because 55297382061 - 2¹ = 55297382059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55297382061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55297382081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183280 + ... + 379718.

It is an arithmetic number, because the mean of its divisors is an integer number (4657985280).

Almost surely, 2^55297382061 is an apocalyptic number.

It is an amenable number.

55297382061 is a deficient number, since it is larger than the sum of its proper divisors (19230382419).

55297382061 is a wasteful number, since it uses less digits than its factorization.

55297382061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197456.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 55297382061 in words is "fifty-five billion, two hundred ninety-seven million, three hundred eighty-two thousand, sixty-one".