52212011454 has 160 divisors (see below), whose sum is σ = 125771450112. Its totient is φ = 16158528000.

The previous prime is 52212011443. The next prime is 52212011477. The reversal of 52212011454 is 45411021225.

It is a happy number.

52212011454 is a `hidden beast` number, since 5 + 2 + 2 + 1 + 201 + 1 + 454 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 12557944 + ... + 12562100.

Almost surely, 2^52212011454 is an apocalyptic number.

52212011454 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52212011454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62885725056).

52212011454 is an abundant number, since it is smaller than the sum of its proper divisors (73559438658).

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

52212011454 is a wasteful number, since it uses less digits than its factorization.

52212011454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304 (or 4295 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 52212011454 its reverse (45411021225), we get a palindrome (97623032679).

The spelling of 52212011454 in words is "fifty-two billion, two hundred twelve million, eleven thousand, four hundred fifty-four".