53115546 has 32 divisors (see below), whose sum is σ = 118361088. Its totient is φ = 15752240.

The previous prime is 53115527. The next prime is 53115547. The reversal of 53115546 is 64551135.

It is a super-2 number, since 2×53115546² = 5642522453756232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53115547) 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, 5460 + ... + 11663.

It is an arithmetic number, because the mean of its divisors is an integer number (3698784).

Almost surely, 2^53115546 is an apocalyptic number.

53115546 is an abundant number, since it is smaller than the sum of its proper divisors (65245542).

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

53115546 is a wasteful number, since it uses less digits than its factorization.

53115546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17186.

The product of its digits is 9000, while the sum is 30.

The square root of 53115546 is about 7288.0413006514. The cubic root of 53115546 is about 375.9013482323.

The spelling of 53115546 in words is "fifty-three million, one hundred fifteen thousand, five hundred forty-six".