51001520453 has 32 divisors (see below), whose sum is σ = 58872489984. Its totient is φ = 43814054592.

The previous prime is 51001520411. The next prime is 51001520461. The reversal of 51001520453 is 35402510015.

It is a cyclic number.

It is not a de Polignac number, because 51001520453 - 2¹⁸ = 51001258309 is a prime.

It is a super-3 number, since 3×51001520453³ (a number of 33 digits) contains 333 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 (51001520953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3373850 + ... + 3388932.

It is an arithmetic number, because the mean of its divisors is an integer number (1839765312).

Almost surely, 2^51001520453 is an apocalyptic number.

It is an amenable number.

51001520453 is a deficient number, since it is larger than the sum of its proper divisors (7870969531).

51001520453 is a wasteful number, since it uses less digits than its factorization.

51001520453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15425.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 51001520453 in words is "fifty-one billion, one million, five hundred twenty thousand, four hundred fifty-three".