53540961510 has 64 divisors (see below), whose sum is σ = 133298887680. Its totient is φ = 13753009920.

The previous prime is 53540961499. The next prime is 53540961511. The reversal of 53540961510 is 1516904535.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53540961511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178332 + ... + 372671.

It is an arithmetic number, because the mean of its divisors is an integer number (2082795120).

Almost surely, 2^53540961510 is an apocalyptic number.

53540961510 is an abundant number, since it is smaller than the sum of its proper divisors (79757926170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53540961510 is a wasteful number, since it uses less digits than its factorization.

53540961510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551133.

The product of its (nonzero) digits is 81000, while the sum is 39.

The spelling of 53540961510 in words is "fifty-three billion, five hundred forty million, nine hundred sixty-one thousand, five hundred ten".