55701969 has 4 divisors (see below), whose sum is σ = 74269296. Its totient is φ = 37134644.

The previous prime is 55701917. The next prime is 55701973. The reversal of 55701969 is 96910755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55701969 - 2¹⁶ = 55636433 is a prime.

It is a super-2 number, since 2×55701969² = 6205418700953922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55701969.

It is not an unprimeable number, because it can be changed into a prime (55701769) 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, 9283659 + ... + 9283664.

It is an arithmetic number, because the mean of its divisors is an integer number (18567324).

Almost surely, 2^55701969 is an apocalyptic number.

It is an amenable number.

55701969 is a deficient number, since it is larger than the sum of its proper divisors (18567327).

55701969 is a wasteful number, since it uses less digits than its factorization.

55701969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18567326.

The product of its (nonzero) digits is 85050, while the sum is 42.

The square root of 55701969 is about 7463.3751748120. The cubic root of 55701969 is about 381.9063232557.

The spelling of 55701969 in words is "fifty-five million, seven hundred one thousand, nine hundred sixty-nine".