51454234535442 has 16 divisors (see below), whose sum is σ = 106457036970240. Its totient is φ = 16559983528592.

The previous prime is 51454234535441. The next prime is 51454234535443. The reversal of 51454234535442 is 24453543245415.

It is an interprime number because it is at equal distance from previous prime (51454234535441) and next prime (51454234535443).

It is not an unprimeable number, because it can be changed into a prime (51454234535441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147856995618 + ... + 147856995965.

It is an arithmetic number, because the mean of its divisors is an integer number (6653564810640).

Almost surely, 2^{51454234535442} is an apocalyptic number.

51454234535442 is an abundant number, since it is smaller than the sum of its proper divisors (55002802434798).

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

51454234535442 is a wasteful number, since it uses less digits than its factorization.

51454234535442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295713991617.

The product of its digits is 23040000, while the sum is 51.

The spelling of 51454234535442 in words is "fifty-one trillion, four hundred fifty-four billion, two hundred thirty-four million, five hundred thirty-five thousand, four hundred forty-two".