55747835 has 16 divisors (see below), whose sum is σ = 78593760. Its totient is φ = 37424640.

The previous prime is 55747817. The next prime is 55747849. The reversal of 55747835 is 53874755.

It is a happy number.

It is not a de Polignac number, because 55747835 - 2⁶ = 55747771 is a prime.

It is a super-2 number, since 2×55747835² = 6215642214374450, which contains 22 as substring.

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, 38270 + ... + 39699.

It is an arithmetic number, because the mean of its divisors is an integer number (4912110).

Almost surely, 2^55747835 is an apocalyptic number.

55747835 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55747835 is a deficient number, since it is larger than the sum of its proper divisors (22845925).

55747835 is a wasteful number, since it uses less digits than its factorization.

55747835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77998.

The product of its digits is 588000, while the sum is 44.

The square root of 55747835 is about 7466.4472810032. The cubic root of 55747835 is about 382.0111173359.

Subtracting from 55747835 its reverse (53874755), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 55747835 in words is "fifty-five million, seven hundred forty-seven thousand, eight hundred thirty-five".