55020734 has 4 divisors (see below), whose sum is σ = 82531104. Its totient is φ = 27510366.

The previous prime is 55020733. The next prime is 55020737. The reversal of 55020734 is 43702055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43702055 = 5 ⋅8740411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55020733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13755182 + ... + 13755185.

It is an arithmetic number, because the mean of its divisors is an integer number (20632776).

Almost surely, 2^55020734 is an apocalyptic number.

55020734 is a deficient number, since it is larger than the sum of its proper divisors (27510370).

55020734 is a wasteful number, since it uses less digits than its factorization.

55020734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27510369.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 55020734 is about 7417.5962413709. The cubic root of 55020734 is about 380.3430282034.

Adding to 55020734 its reverse (43702055), we get a palindrome (98722789).

The spelling of 55020734 in words is "fifty-five million, twenty thousand, seven hundred thirty-four".