53961907 has 4 divisors (see below), whose sum is σ = 54439560. Its totient is φ = 53484256.

The previous prime is 53961899. The next prime is 53961911. The reversal of 53961907 is 70916935.

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

It is not a de Polignac number, because 53961907 - 2³ = 53961899 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53961907.

It is not an unprimeable number, because it can be changed into a prime (53961967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238657 + ... + 238882.

It is an arithmetic number, because the mean of its divisors is an integer number (13609890).

Almost surely, 2^53961907 is an apocalyptic number.

53961907 is a deficient number, since it is larger than the sum of its proper divisors (477653).

53961907 is a wasteful number, since it uses less digits than its factorization.

53961907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477652.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 53961907 is about 7345.8768707350. The cubic root of 53961907 is about 377.8874159640.

The spelling of 53961907 in words is "fifty-three million, nine hundred sixty-one thousand, nine hundred seven".