53331534 has 20 divisors (see below), whose sum is σ = 119502504. Its totient is φ = 17777124.

The previous prime is 53331527. The next prime is 53331547. The reversal of 53331534 is 43513335.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 53331498 and 53331507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 164442 + ... + 164765.

Almost surely, 2^53331534 is an apocalyptic number.

53331534 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

53331534 is an abundant number, since it is smaller than the sum of its proper divisors (66170970).

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

53331534 is a wasteful number, since it uses less digits than its factorization.

53331534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329221 (or 329212 counting only the distinct ones).

The product of its digits is 8100, while the sum is 27.

The square root of 53331534 is about 7302.8442404313. The cubic root of 53331534 is about 376.4101784111.

Adding to 53331534 its reverse (43513335), we get a palindrome (96844869).

The spelling of 53331534 in words is "fifty-three million, three hundred thirty-one thousand, five hundred thirty-four".