53631545 has 16 divisors (see below), whose sum is σ = 70426368. Its totient is φ = 38883840.

The previous prime is 53631541. The next prime is 53631551. The reversal of 53631545 is 54513635.

53631545 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 53631545 - 2² = 53631541 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53631541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18857 + ... + 21513.

It is an arithmetic number, because the mean of its divisors is an integer number (4401648).

Almost surely, 2^53631545 is an apocalyptic number.

53631545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53631545 is a deficient number, since it is larger than the sum of its proper divisors (16794823).

53631545 is a wasteful number, since it uses less digits than its factorization.

53631545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040.

The product of its digits is 27000, while the sum is 32.

The square root of 53631545 is about 7323.3561295351. The cubic root of 53631545 is about 377.1146778038.

The spelling of 53631545 in words is "fifty-three million, six hundred thirty-one thousand, five hundred forty-five".