52905240087 has 32 divisors (see below), whose sum is σ = 80979886080. Its totient is φ = 30095988960.

The previous prime is 52905240079. The next prime is 52905240097. The reversal of 52905240087 is 78004250925.

52905240087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52905240087 - 2³ = 52905240079 is a prime.

It is a super-2 number, since 2×52905240087² (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 (52905240097) 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, 4329328 + ... + 4341530.

It is an arithmetic number, because the mean of its divisors is an integer number (2530621440).

Almost surely, 2^52905240087 is an apocalyptic number.

52905240087 is a deficient number, since it is larger than the sum of its proper divisors (28074645993).

52905240087 is a wasteful number, since it uses less digits than its factorization.

52905240087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13123.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 52905240087 in words is "fifty-two billion, nine hundred five million, two hundred forty thousand, eighty-seven".