53501213015431 has 8 divisors (see below), whose sum is σ = 54087416940960. Its totient is φ = 52916293218432.

The previous prime is 53501213015417. The next prime is 53501213015461. The reversal of 53501213015431 is 13451031210535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53501213015431 - 2⁹ = 53501213014919 is a prime.

It is a super-2 number, since 2×53501213015431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53501213015461) 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, 320948350 + ... + 321115003.

It is an arithmetic number, because the mean of its divisors is an integer number (6760927117620).

Almost surely, 2^{53501213015431} is an apocalyptic number.

53501213015431 is a deficient number, since it is larger than the sum of its proper divisors (586203925529).

53501213015431 is a wasteful number, since it uses less digits than its factorization.

53501213015431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642064265.

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 53501213015431 its reverse (13451031210535), we get a palindrome (66952244225966).

The spelling of 53501213015431 in words is "fifty-three trillion, five hundred one billion, two hundred thirteen million, fifteen thousand, four hundred thirty-one".