53149506 has 16 divisors (see below), whose sum is σ = 106385664. Its totient is φ = 17702064.

The previous prime is 53149493. The next prime is 53149507. The reversal of 53149506 is 60594135.

It is a happy number.

It is a super-3 number, since 3×53149506³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53149507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6576 + ... + 12228.

It is an arithmetic number, because the mean of its divisors is an integer number (6649104).

Almost surely, 2^53149506 is an apocalyptic number.

53149506 is an abundant number, since it is smaller than the sum of its proper divisors (53236158).

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

53149506 is a wasteful number, since it uses less digits than its factorization.

53149506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7225.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 53149506 is about 7290.3707724642. The cubic root of 53149506 is about 375.9814433652.

The spelling of 53149506 in words is "fifty-three million, one hundred forty-nine thousand, five hundred six".