53699745 has 16 divisors (see below), whose sum is σ = 93730752. Its totient is φ = 26036160.

The previous prime is 53699729. The next prime is 53699761. The reversal of 53699745 is 54799635.

It is an interprime number because it is at equal distance from previous prime (53699729) and next prime (53699761).

It is not a de Polignac number, because 53699745 - 2⁴ = 53699729 is a prime.

It is a super-2 number, since 2×53699745² = 5767325226130050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53699694 and 53699703.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162562 + ... + 162891.

It is an arithmetic number, because the mean of its divisors is an integer number (5858172).

Almost surely, 2^53699745 is an apocalyptic number.

53699745 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53699745 is a deficient number, since it is larger than the sum of its proper divisors (40031007).

53699745 is a wasteful number, since it uses less digits than its factorization.

53699745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325472.

The product of its digits is 1020600, while the sum is 48.

The square root of 53699745 is about 7328.0109852538. The cubic root of 53699745 is about 377.2744614215.

The spelling of 53699745 in words is "fifty-three million, six hundred ninety-nine thousand, seven hundred forty-five".