55142007 has 8 divisors (see below), whose sum is σ = 75316080. Its totient is φ = 35864640.

The previous prime is 55141993. The next prime is 55142023. The reversal of 55142007 is 70024155.

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

It is not a de Polignac number, because 55142007 - 2⁴ = 55141991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55147007) 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, 224032 + ... + 224277.

It is an arithmetic number, because the mean of its divisors is an integer number (9414510).

Almost surely, 2^55142007 is an apocalyptic number.

55142007 is a deficient number, since it is larger than the sum of its proper divisors (20174073).

55142007 is a wasteful number, since it uses less digits than its factorization.

55142007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448353.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 55142007 is about 7425.7664250904. The cubic root of 55142007 is about 380.6222653161.

The spelling of 55142007 in words is "fifty-five million, one hundred forty-two thousand, seven".