53674000644 has 24 divisors (see below), whose sum is σ = 136624729248. Its totient is φ = 16264848640.

The previous prime is 53674000643. The next prime is 53674000673. The reversal of 53674000644 is 44600047635.

It is a happy number.

It is a super-2 number, since 2×53674000644² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53674000643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203310477 + ... + 203310740.

It is an arithmetic number, because the mean of its divisors is an integer number (5692697052).

Almost surely, 2^53674000644 is an apocalyptic number.

It is an amenable number.

53674000644 is an abundant number, since it is smaller than the sum of its proper divisors (82950728604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53674000644 is a wasteful number, since it uses less digits than its factorization.

53674000644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406621235 (or 406621233 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 39.

The spelling of 53674000644 in words is "fifty-three billion, six hundred seventy-four million, six hundred forty-four", and thus it is an aban number.