55295703878492 has 72 divisors (see below), whose sum is σ = 121602632061792. Its totient is φ = 21536074581120.

The previous prime is 55295703878491. The next prime is 55295703878501. The reversal of 55295703878492 is 29487830759255.

It is a happy number.

It is a super-2 number, since 2×55295703878492² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (74) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55295703878491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6558638 + ... + 12393834.

Almost surely, 2^{55295703878492} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55295703878492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60801316030896).

55295703878492 is an abundant number, since it is smaller than the sum of its proper divisors (66306928183300).

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

55295703878492 is a wasteful number, since it uses less digits than its factorization.

55295703878492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5838027 (or 5838014 counting only the distinct ones).

The product of its (nonzero) digits is 1524096000, while the sum is 74.

The spelling of 55295703878492 in words is "fifty-five trillion, two hundred ninety-five billion, seven hundred three million, eight hundred seventy-eight thousand, four hundred ninety-two".