53351515426 has 32 divisors (see below), whose sum is σ = 88281783360. Its totient is φ = 23979288000.

The previous prime is 53351515423. The next prime is 53351515447. The reversal of 53351515426 is 62451515335.

It is a happy number.

It is a super-2 number, since 2×53351515426² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53351515423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1733460 + ... + 1763968.

It is an arithmetic number, because the mean of its divisors is an integer number (2758805730).

Almost surely, 2^53351515426 is an apocalyptic number.

53351515426 is a deficient number, since it is larger than the sum of its proper divisors (34930267934).

53351515426 is a wasteful number, since it uses less digits than its factorization.

53351515426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31410.

The product of its digits is 270000, while the sum is 40.

Subtracting 53351515426 from its reverse (62451515335), we obtain a palindrome (9099999909).

The spelling of 53351515426 in words is "fifty-three billion, three hundred fifty-one million, five hundred fifteen thousand, four hundred twenty-six".