53197756954 has 4 divisors (see below), whose sum is σ = 79796635434. Its totient is φ = 26598878476.

The previous prime is 53197756951. The next prime is 53197756961. The reversal of 53197756954 is 45965779135.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49175280025 + 4022476929 = 221755^2 + 63423^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53197756892 and 53197756901.

It is not an unprimeable number, because it can be changed into a prime (53197756951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13299439237 + ... + 13299439240.

Almost surely, 2^53197756954 is an apocalyptic number.

53197756954 is a deficient number, since it is larger than the sum of its proper divisors (26598878480).

53197756954 is a wasteful number, since it uses less digits than its factorization.

53197756954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26598878479.

The product of its digits is 35721000, while the sum is 61.

The spelling of 53197756954 in words is "fifty-three billion, one hundred ninety-seven million, seven hundred fifty-six thousand, nine hundred fifty-four".