51392233152 has 168 divisors, whose sum is σ = 161007131376. Its totient is φ = 15576827904.

The previous prime is 51392233147. The next prime is 51392233157. The reversal of 51392233152 is 25133229315.

51392233152 is a `hidden beast` number, since 513 + 92 + 2 + 3 + 3 + 1 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (51392233147) and next prime (51392233157).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (51392233157) 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, 450478 + ... + 552914.

It is an arithmetic number, because the mean of its divisors is an integer number (958375782).

Almost surely, 2^51392233152 is an apocalyptic number.

51392233152 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51392233152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80503565688).

51392233152 is an abundant number, since it is smaller than the sum of its proper divisors (109614898224).

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

51392233152 is a wasteful number, since it uses less digits than its factorization.

51392233152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102535 (or 102522 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The spelling of 51392233152 in words is "fifty-one billion, three hundred ninety-two million, two hundred thirty-three thousand, one hundred fifty-two".