53125402 has 8 divisors (see below), whose sum is σ = 86932512. Its totient is φ = 24147900.

The previous prime is 53125399. The next prime is 53125403. The reversal of 53125402 is 20452135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 2414791 = 53125402 / (5 + 3 + 1 + 2 + 5 + 4 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (53125403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1207374 + ... + 1207417.

It is an arithmetic number, because the mean of its divisors is an integer number (10866564).

Almost surely, 2^53125402 is an apocalyptic number.

53125402 is a deficient number, since it is larger than the sum of its proper divisors (33807110).

53125402 is a wasteful number, since it uses less digits than its factorization.

53125402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414804.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 53125402 is about 7288.7174454769. The cubic root of 53125402 is about 375.9245972610.

Adding to 53125402 its reverse (20452135), we get a palindrome (73577537).

The spelling of 53125402 in words is "fifty-three million, one hundred twenty-five thousand, four hundred two".