1653539955 has 8 divisors (see below), whose sum is σ = 2645663952. Its totient is φ = 881887968.

The previous prime is 1653539929. The next prime is 1653539977. The reversal of 1653539955 is 5599353561.

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

It is not a de Polignac number, because 1653539955 - 2⁷ = 1653539827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1653539898 and 1653539907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55117984 + ... + 55118013.

It is an arithmetic number, because the mean of its divisors is an integer number (330707994).

Almost surely, 2^1653539955 is an apocalyptic number.

1653539955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1653539955 is a deficient number, since it is larger than the sum of its proper divisors (992123997).

1653539955 is a wasteful number, since it uses less digits than its factorization.

1653539955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110236005.

The product of its digits is 2733750, while the sum is 51.

The square root of 1653539955 is about 40663.7425109888. The cubic root of 1653539955 is about 1182.5102061585.

The spelling of 1653539955 in words is "one billion, six hundred fifty-three million, five hundred thirty-nine thousand, nine hundred fifty-five".