97943554 has 4 divisors (see below), whose sum is σ = 146915334. Its totient is φ = 48971776.

The previous prime is 97943533. The next prime is 97943557. The reversal of 97943554 is 45534979.

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., 88792929 + 9150625 = 9423^2 + 3025^2 .

It is not an unprimeable number, because it can be changed into a prime (97943557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24485887 + ... + 24485890.

Almost surely, 2^97943554 is an apocalyptic number.

97943554 is a deficient number, since it is larger than the sum of its proper divisors (48971780).

97943554 is a wasteful number, since it uses less digits than its factorization.

97943554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48971779.

The product of its digits is 680400, while the sum is 46.

The square root of 97943554 is about 9896.6435724441. The cubic root of 97943554 is about 460.9550949652.

The spelling of 97943554 in words is "ninety-seven million, nine hundred forty-three thousand, five hundred fifty-four".