52144360448457 has 16 divisors (see below), whose sum is σ = 73215701672000. Its totient is φ = 32919494814144.

The previous prime is 52144360448387. The next prime is 52144360448461. The reversal of 52144360448457 is 75484406344125.

It is a happy number.

It is not a de Polignac number, because 52144360448457 - 2⁷ = 52144360448329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52144360448397 and 52144360448406.

It is not an unprimeable number, because it can be changed into a prime (52144360448057) 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, 191327482 + ... + 191599827.

It is an arithmetic number, because the mean of its divisors is an integer number (4575981354500).

Almost surely, 2^{52144360448457} is an apocalyptic number.

52144360448457 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

52144360448457 is a deficient number, since it is larger than the sum of its proper divisors (21071341223543).

52144360448457 is a wasteful number, since it uses less digits than its factorization.

52144360448457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382929720.

The product of its (nonzero) digits is 51609600, while the sum is 57.

The spelling of 52144360448457 in words is "fifty-two trillion, one hundred forty-four billion, three hundred sixty million, four hundred forty-eight thousand, four hundred fifty-seven".