53942697 has 48 divisors (see below), whose sum is σ = 85363200. Its totient is φ = 32739840.

The previous prime is 53942687. The next prime is 53942723. The reversal of 53942697 is 79624935.

It is a happy number.

53942697 is a `hidden beast` number, since 539 + 4 + 26 + 97 = 666.

It is not a de Polignac number, because 53942697 - 2¹⁰ = 53941673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53942617) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 477313 + ... + 477425.

It is an arithmetic number, because the mean of its divisors is an integer number (1778400).

Almost surely, 2^53942697 is an apocalyptic number.

It is an amenable number.

53942697 is a deficient number, since it is larger than the sum of its proper divisors (31420503).

53942697 is a wasteful number, since it uses less digits than its factorization.

53942697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 235 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 53942697 is about 7344.5692181366. The cubic root of 53942697 is about 377.8425690263.

The spelling of 53942697 in words is "fifty-three million, nine hundred forty-two thousand, six hundred ninety-seven".