537540894 has 64 divisors (see below), whose sum is σ = 1371744000. Its totient is φ = 154314720.

The previous prime is 537540881. The next prime is 537540907. The reversal of 537540894 is 498045735.

It is an interprime number because it is at equal distance from previous prime (537540881) and next prime (537540907).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12529 + ... + 35100.

It is an arithmetic number, because the mean of its divisors is an integer number (21433500).

Almost surely, 2^537540894 is an apocalyptic number.

537540894 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

537540894 is an abundant number, since it is smaller than the sum of its proper divisors (834203106).

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

537540894 is a wasteful number, since it uses less digits than its factorization.

537540894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47670 (or 47664 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 537540894 is about 23184.9281646504. The cubic root of 537540894 is about 813.0872851915.

The spelling of 537540894 in words is "five hundred thirty-seven million, five hundred forty thousand, eight hundred ninety-four".