53125761501 has 12 divisors (see below), whose sum is σ = 76979288412. Its totient is φ = 35305446336.

The previous prime is 53125761499. The next prime is 53125761587. The reversal of 53125761501 is 10516752135.

It is a happy number.

53125761501 is a `hidden beast` number, since 5 + 31 + 2 + 5 + 7 + 615 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20093062500 + 33032699001 = 141750^2 + 181749^2 .

It is not a de Polignac number, because 53125761501 - 2¹ = 53125761499 is a prime.

It is a super-2 number, since 2×53125761501² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53125721501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9307656 + ... + 9313361.

It is an arithmetic number, because the mean of its divisors is an integer number (6414940701).

Almost surely, 2^53125761501 is an apocalyptic number.

It is an amenable number.

53125761501 is a deficient number, since it is larger than the sum of its proper divisors (23853526911).

53125761501 is a wasteful number, since it uses less digits than its factorization.

53125761501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18621340 (or 18621337 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The spelling of 53125761501 in words is "fifty-three billion, one hundred twenty-five million, seven hundred sixty-one thousand, five hundred one".