53901403 has 4 divisors (see below), whose sum is σ = 55154968. Its totient is φ = 52647840.

The previous prime is 53901389. The next prime is 53901409. The reversal of 53901403 is 30410935.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53901403 - 2¹³ = 53893211 is a prime.

It is a super-2 number, since 2×53901403² = 5810722490736818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53901409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626718 + ... + 626803.

It is an arithmetic number, because the mean of its divisors is an integer number (13788742).

Almost surely, 2^53901403 is an apocalyptic number.

53901403 is a deficient number, since it is larger than the sum of its proper divisors (1253565).

53901403 is a wasteful number, since it uses less digits than its factorization.

53901403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253564.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 53901403 is about 7341.7574871416. The cubic root of 53901403 is about 377.7461295639.

The spelling of 53901403 in words is "fifty-three million, nine hundred one thousand, four hundred three".