54640890935262 has 64 divisors (see below), whose sum is σ = 121619711223360. Its totient is φ = 18184322644992.

The previous prime is 54640890935261. The next prime is 54640890935269. The reversal of 54640890935262 is 26253909804645.

It is a happy number.

54640890935262 is a `hidden beast` number, since 5 + 4 + 6 + 408 + 90 + 93 + 52 + 6 + 2 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 54640890935262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54640890935261) 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, 105546198 + ... + 106062630.

It is an arithmetic number, because the mean of its divisors is an integer number (1900307987865).

Almost surely, 2^{54640890935262} is an apocalyptic number.

54640890935262 is an abundant number, since it is smaller than the sum of its proper divisors (66978820288098).

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

54640890935262 is a wasteful number, since it uses less digits than its factorization.

54640890935262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519594 (or 519588 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 63.

The spelling of 54640890935262 in words is "fifty-four trillion, six hundred forty billion, eight hundred ninety million, nine hundred thirty-five thousand, two hundred sixty-two".