52145002503451 has 32 divisors (see below), whose sum is σ = 62137730608128. Its totient is φ = 43132714410240.

The previous prime is 52145002503443. The next prime is 52145002503499. The reversal of 52145002503451 is 15430520054125.

It is not a de Polignac number, because 52145002503451 - 2³ = 52145002503443 is a prime.

It is a super-2 number, since 2×52145002503451² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52145002503451.

It is not an unprimeable number, because it can be changed into a prime (52145002503431) 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, 15903550 + ... + 18900076.

It is an arithmetic number, because the mean of its divisors is an integer number (1941804081504).

Almost surely, 2^{52145002503451} is an apocalyptic number.

52145002503451 is a deficient number, since it is larger than the sum of its proper divisors (9992728104677).

52145002503451 is a wasteful number, since it uses less digits than its factorization.

52145002503451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998291.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 52145002503451 its reverse (15430520054125), we get a palindrome (67575522557576).

The spelling of 52145002503451 in words is "fifty-two trillion, one hundred forty-five billion, two million, five hundred three thousand, four hundred fifty-one".