53403051 has 8 divisors (see below), whose sum is σ = 76681360. Its totient is φ = 32863392.

The previous prime is 53403047. The next prime is 53403071. The reversal of 53403051 is 15030435.

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

It is not a de Polignac number, because 53403051 - 2² = 53403047 is a prime.

It is a super-2 number, since 2×53403051² = 5703771712217202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53403041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684616 + ... + 684693.

It is an arithmetic number, because the mean of its divisors is an integer number (9585170).

Almost surely, 2^53403051 is an apocalyptic number.

53403051 is a deficient number, since it is larger than the sum of its proper divisors (23278309).

53403051 is a wasteful number, since it uses less digits than its factorization.

53403051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369325.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 53403051 is about 7307.7391168541. The cubic root of 53403051 is about 376.5783572267.

Adding to 53403051 its reverse (15030435), we get a palindrome (68433486).

The spelling of 53403051 in words is "fifty-three million, four hundred three thousand, fifty-one".