53431554 has 16 divisors (see below), whose sum is σ = 116578080. Its totient is φ = 16191360.

The previous prime is 53431531. The next prime is 53431597. The reversal of 53431554 is 45513435.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404719 + ... + 404850.

It is an arithmetic number, because the mean of its divisors is an integer number (7286130).

Almost surely, 2^53431554 is an apocalyptic number.

53431554 is an abundant number, since it is smaller than the sum of its proper divisors (63146526).

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

53431554 is a wasteful number, since it uses less digits than its factorization.

53431554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809585.

The product of its digits is 18000, while the sum is 30.

The square root of 53431554 is about 7309.6890494740. The cubic root of 53431554 is about 376.6453428118.

Adding to 53431554 its reverse (45513435), we get a palindrome (98944989).

The spelling of 53431554 in words is "fifty-three million, four hundred thirty-one thousand, five hundred fifty-four".