55377237 has 8 divisors (see below), whose sum is σ = 74400480. Its totient is φ = 36636080.

The previous prime is 55377227. The next prime is 55377241. The reversal of 55377237 is 73277355.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55377237 - 2⁶ = 55377173 is a prime.

It is a super-3 number, since 3×55377237³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55377195 and 55377204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55377227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70062 + ... + 70847.

It is an arithmetic number, because the mean of its divisors is an integer number (9300060).

Almost surely, 2^55377237 is an apocalyptic number.

It is an amenable number.

55377237 is a deficient number, since it is larger than the sum of its proper divisors (19023243).

55377237 is a wasteful number, since it uses less digits than its factorization.

55377237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141043.

The product of its digits is 154350, while the sum is 39.

The square root of 55377237 is about 7441.5883385202. The cubic root of 55377237 is about 381.1627290347.

The spelling of 55377237 in words is "fifty-five million, three hundred seventy-seven thousand, two hundred thirty-seven".